I currently have a Athlon X2 @3.0GHZ with 4GB of 800MHZ Ram and a Radeon 4870 512MB.
I wanna get GTA for the PC (Loved it on the 360) but i might wait till i grab a Quad Phenom and some slightly faster Ram before i get it. Maybe wait for another patch or two as well
I know it's causing a slight bottle neck but it's nothing major.
Only in the Multicore effecient game's will it show up - although Crysis Warhead and Far Cry 2 run really well
I plan on getting a Quad Phenom at some point anyway and maybe some 1066MHZ Ram (Another 4GB kit) and i will shove my 4GB 800MHZ Ram in my Sister's PC which only has 1GB on Vista