Neekk1, while some of these comments are good some are just not good advise. I would recomend that you go to some of the manufactors sites and view their videos on how to wax and polish your car. Car Waxing - Griot's Garage . I find these very helpful.

you could try this

Best Car Wax & Best Car Polish | Cleanser Polish, Clean Vehicle Paintwork

I had one of those buffers too, if you really want to remove marks you are going to need a porter cable or equivalent.

To get swirls out you need a good polish with a random orbital buffer and the correct pads. Here is one of the best out there for getting rid of swirls: Menzerna Super Intensive Polish SI1500 PO83Q (32 oz) Menzerna Super Finish Nano Polish PO106FA (16oz) Heres a good machine: Porter Cable 7424XP Car Buffer / Polisher

Look at autogeek website for good detailing information as well as the best products to use. There are many on-line retailers who can provide you with the equipment needed to get that shine and keep it. I have a Porter Cable with 4 different pads I use to get it right. After that it's just a matter of maintaining the shine. On my Beepster I took it to a pro shop to get it right and now I maintain it. I do a few cars at my friends Indy shop to get them looking better and it takes time with the right equipment.

Griot's sells a modestly priced orbital polisher that produces just enough torque to get out swirls, unlike all the other buffers sold at Autozone and Wal-Mart.
The Porter Cable is what I have but its not my favorite...too heavy and shakes like hell when you have to set up the higher speeds for de-swirling. And with that much weight you have be careful and hold it firmly with both hands or you'll be at the body shop for some dent repair. You also have to buy the adapter plate so you can use auto detaling pads...point is the PC was not designed for auto detailing like the Flex polisher.

As far as waxes, I guess I'm defaulting to Griot's now that its coveniently found over the counter at Advanced Auto -- no need to spend on shipping or wait for shipping.
I'm no fanboy of particular wax brands, they all have the same basic ingredients you just get a little less bite and concentration with all the other over the counter brands like Turtle Wax. I could prep a car using Meguiars and one using Zaino (or similar boutique brand) and only a realy sharp eye with lots of experience could tell the difference. NAPA carries Duragloss which is just as good as the higher end Meguiars stuff. Honestly if you're going to spend money on anything put the budget towards high quality towels. Most auto stores and Wal-Mart sell the cheap microfiber towels intended for cleaning floors and kitchens. Those over-priced low quality towels will wreck your paint in no time. Try Poorboysworld.com and chemichalguys.com have some pretty good deals on towels.

p.s.
get into the habit of doing rinseless car washes and cleanings with products like Optimum No Rinse. Griots and Meguairs sell no rinse spray washes as well but No Rinse seems to be the most cost effective. Professional detailers use this approach on expensive cars just the same as econo boxes, safe for both. And unless you drive your car through the outback every day a bucket, car wash soap and hose wash is overkill just to remove the typical light coat of dust and dirt. Plenty of YouTube videos on rinseless washing. It's much easier on the paint in the long run.

So I have been lied to by every single bottle of wax, carwash, polish, and cleaner I have ever used. Dam those swirls and the circular motion instructions.
on another note is it better to use paste or liquid. Liquid is much quicker and that is what I usually use but I might want to try some paste.

I rarely see high carnauba content waxes in liquid form. Those carnauba pastes give you the wettest shine but don't last long unless your car is garaged. Dark/deep colors seem to look better with carnauba paste waxes. Mettalics like silver do equally well with a synthetic which come either liquid wax like Meguairs NXT or a synthetic paste. I favor the liquids like you for this reason. My car is parked outdoors these days so I need the durability of the synthetic. I top with a polymer spray like Finish Kare #425 which keeps the paint surface super slick like teflon for dust to roll off. The towel will glid right acrross the hood if you throw it.

I have been driving a lot lately and I am still down in the Tennessee mountain area and wanted to give my car a fast cleaning. I always have my kit of towels, cleaners and waxes with me. I went to get out my trusty bottle of Zymol detailer and it was empty. Hit three Auto-Zone, Advanced Auto etc. stores and not one bottle to be had. So I remember reading on this forum of someone raving about Turtle Wax ICE spray wax and Spray Detailer. So I purchased a bottle of each. I clean my car often and was looking to just use detailer but it was a mild day in the 80's and I figured I would give the wax a go since it stated "apply in sun or shade" and "perfect for all exterior surfaces including plastics, black trim and even glass". So I gave it a go and I have to say it was a joy to apply and my ride looked and felt so good after I was just amazed. I could not resist gliding my hand over the surface and looking at the depth of the metal-flake in the Ocean Blue paint. Awesome stuff and thanks to who ever it was on this forum that suggested it. I have been a Zymol fan for years and apply it regularly but since it is based on naturally derived waxes, I do need to do it often. This Turtle Wax product is made with synthetic polymers and expected to last longer. I have not used the detailer yet but I will try that in a few days. BTW, My clear plastic rear window has never looked better and my power windows glide like a brand new car. The wax went on so nice and easy I am wondering if I even needed the detailer. I will update this post when I do.

I've always gotten great results with Zaino products.

I don't have problems with swirls on my car...but I have used Zaino Z-5 Pro on friends's cars to remove swirls - by hand. As others have said you need to be patient and do one section at a time - over time.

Z-5 PRO Show Car Polish for Swirl Marks and Fine Scratches: Zaino Store

It's best to follow the Zaino instructions, and use their ZFX Flash Cure Additive. A little Z-5 goes a long way!

Because of this thread I bought the turtle wax ice today. Waxed my car Thursday with mcguires gold and as everyone knows paste wax is a labor of love. I thought i would try a test spot with the ice and before I knew it...15 minutes later had waxed the whole car. Very easy and seems to be a very good wax.

When I bought my Boxster 6 months ago, the PO included the One Grand Blitz Carnauba Wax he used. The car is in mint condition and looks great being 13 years old. And the reviews are pretty solid....

One Grand Blitz Carnauba Wax, 12 oz Jar : Amazon.com : Automotive

+1 on Zaino. The stuff is a pain to put on but looks great and lasts forever - seriously.

I have been using Grand Blitz Carnauba Wax for twelve years on all of my cars. Great stuff.

Insulator Wax » Collinite

That's what my detailer use. May not provide the best shine but super durable. People call this winter wax.

+1 for Collinite.

If you really want your car to look like glass, find a paint guy you can trust and have him wet sand your car and polish it. Not cheap, but the result is incredible.

Also +1 on rinseless washing.

......................

get a griot's 6" random orbital polisher. then purchase his all in one sealant/protector and an orange polishing pad. read the directions, and go to it. it will look wicked _issa.
Dan