No one on this forum will be able to help you much until you get the source of the clunking sound identified.
See if you can get an indy or the stealership to tell you what's gone out and then take the car back.
Then, post what's worn out here and a bunch of us can tell you how we went about replacing it for a lot less money.
I have replaced my entire suspension now and I'm happy to help you if it's a suspension or bearing issue. I have not had the pleasure of replacing my drive shafts as of yet
