i have a amd 64 athlon xp 5000+ duel core,using vista,any tips on semi older games like painkiller and vista.i play with win xp and its fine,but vista i cant get the speed down,i use a 8500 gt nvidia card and 4 gigs memory,so im guessing its vista,graphics are perfect just the game is major unstable,tried every viewable setting and network settings also and it wont work right.any suggestions..lol besides never playing it on vista..lol.thanks.