What's the problem with Windows?

I can categorically say our Windows 2003 SBS gave us no problems whatsoever over the Christmas period. In fact I've never seen it so reliable and when I came in this morning after a fortnight. It was humming away, smooth as the proverbial baby's...

Fantastic - now if I can persuade the rest of the company to take the remainder of 2008 off, I can relax and carry on singing the praises of Microsoft. In the meantime. I'd better get my arse into gear and sort out the various logging in problems the helpdesk appears to be innundated with - oh well, the Ubuntu servers seem OK so I guess it must be...