Tweak3D has posted a guide Gaming and Windows 2000 - Bedfellows or Divorcees?'. Here a snipped:
There are several benefits to gaming on Windows 2000. First, and foremost, is speed. The OS itself is about 20% faster than its cousin, which makes it ideal for gaming. This 20% speed gain is retained in most cases, assuming that the drivers for your hardware are mature and don't have any bugs. Also, because Win2k is so much more stable than Win9x, if the game crashes, you can be pretty sure that it is the game´s fault and not some weird interaction with your OS. And, of course, Win2k makes a superior server platform, so if you have got a high-bandwidth connection and are regularly hosting games for your friends, this may be the way to go.Read more
