Win2000 as well, that was my favorite for a long time. I eventually upgraded, kicking and screaming, because the Supreme Commander beta wouldn't run on Win2000

Win2000 as well, that was my favorite for a long time. I eventually upgraded, kicking and screaming, because the Supreme Commander beta wouldn't run on Win2000 and required WinXP. Fun silly fact, Win8 appears to be WinNT 6.2, go figure.