I've noticed some alternate tags that should be cleaned up. The first one listed for each of these should be correct (unless I don't know of some other naming convention).
windows-7 windows7 windows-vista windowsvista vista windows-xp windowsxp windows xp
I've also noticed an
xbox360 tag - Should this be changed to
Actually, it looks like these tags are an issue on all sites (Server Fault
& Stack Overflow)