WebHostingTalk forum

Webhostingtalk forum is one of very active and useful source of information.

There is a VPS related discussion section:

http://www.webhostingtalk.com/forumdisplay.php?f=103

VPS tutorial:

http://www.webhostingtalk.com/forumdisplay.php?f=108

And VPS offer section:

http://www.webhostingtalk.com/forumdisplay.php?forumid=104