Better Card Graphics Card

i have a 7900 gs and have a chance to get a xfx 7800 gtx for 50$ should i keep my card or go with the new one??Better Card Graphics Card
Why don u just wait for sometime..Once the 9series cards come out prices for 8series card will come down..And may u could buy an 8800GTS itself who knows8)Better Card Graphics Card
The 9800GX2 is not worth the 500+ bucks because its only 30% faster than a 8800GTX, the 9600GT is between a 8600GTS and a 8800GT in performance. The 8800GT,GTS 512 is your best bet if you plan on upgrading within the first half of the year.
Buy a 8800gt like I just did today. I'm running crysis at 1680x1024, all very high settings and getting no lag. This card will last you a LONG time since most developers won't match the Crytek engine in a while. Best $250 I've ever spent.
If you have the buck I recommend purchasing a 8series card. Honestly I was a bit excited for the new cards 9series or whatever people are talking but there really isn't a reason to purchase them due to the only game out there that demands it is Crysis. Crysis wasn't even that great and I highly doubt people like me will upgrade just to play Crysis. So far this 8 series card I own has been pulling off 60 frames a sec in every game I play. Get you a card and be happy and wait till new games are announced that utilized new engines or Cryengine 2 maybe next year or year after, by then there will be better cards.