Mark Minasi's Forum
The windows Guru Mark Minasi's forum can be found Here .
This guy has been around a long time and writes some really good books in a style thats easy to follow. My favorite being his Mastering Server 2003 book .
Also on here you will find many Microsoft MVPs as well as some very experienced admins who can answer pretty much any question you could thing of. Enjoy!!
Re: Mark Minasi's Forum
Yeah it is a brilliant site I have the book meself and the ebook to good with it got a good deal on ebay for it