It runs just fine, I wouldn't mind testing a few programs that I can get ahold of, or testing the differences in the versions. I got a bit of spare time.
Ok, heres the deal, the 64 bit edition of windows will use an emulator for all 32 bit programs. 32 bit has hardware limits that 64 doesn't and that is also in the programs, so the 32 bit drivers don't really work at all. But the good news is this, most of the games and other applications that most people do use, will still run. Some programs will require patches, like Battlefield 1942 will need a 1.61 patch (If i remeber correctly). Version 3 started up on this pc as well, I did not try it just yet though. As for speed, well, that is up to opinion I guess. 64 bit will have alot of power to do more then what you ask it to, I don't see any slow down in version 2 of graal.
Its nice to run around with no lagg from pets or spells, even the heavy direct3d systems used in graal. Oh yea, my cpu is running at about 4% load when it's pretty much idle. Other then that I get about 25% normal when I have 4 different windows open, graal and music up, and the command prompt.
Yeah, if you are wondering what I am currently using, this should sum it up for you.
http://216.239.29.52/doc/raptor58078d2.sytes.net.html