2003? comes with the glass rear window.
Don't be afraid to walk away from the deal. As you pointed out
with the 2005 out on the road there will be more used Boxsters to choose from.
I saw mine on Ebay, it didn't sell at the reserve(by les than $1K) so I persuaded them to relist it for our agreed price with a 'buy it now'. I actually closed the auction in the dealer's show room on his laptop.
with only 10,000 miles it sounds like a good find. Be a little agressive and contact the seller with your best offer and try to be persistent. Maybe he needs the dough.
You need to list more of the options to determine whether you are getting the most bang for the buck. I wish mine had come with factory sideskirts like yours.
THat's at least $1K with labor, it also didn't come with Litronic Headlights which is another $1K at least. 18" Carrera 5 spokes is anohter upgrade which are costing me $1500 barely used. You see it all adds up.