> i have a core duo AND windows 7 64 bit,which verison should i get for better > performance,the CD2 or the 64 bit one?i always got the 64 bit one and it works very > nice with all games,but maybe i can improve that with the core duo version?
Go with the 64-bit version. CPU specific optimizations just make games buggy so you can't finish them. 64-bit is a real speedup for everything.