How much of a speed difference would I find if I changed my 6800 GT for
a 7950 GT i.e.
http://www.ebuyer.com/product/128027...specifications

I'm running a P4 3.2ghz with 1.5gig ram under XP.

Games are really starting to struggle (had to run bioshock in 800x600),
and when I do decide to upgrade the PC competely I'm gonna have to
upgrade every component as technology has moved on drastically.

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