With Steam officially hitting Mac in just a few weeks many Apple gamers have suddenly lost their need to emulate. But, for those who are hoping to get busy in a little Command & Conquer 4 under Snow Leopard this week -- or any of the other myriad of PC-only gaming options -- virtualization is the only way to go -- short of rebooting into Boot Camp, of course. Parallels is the most commonly used solution, but how does VMware's Fusion 3 stack up for gaming? Not too w