These are the websites I use regularly when I need to look stuff up, ask for help, find a good walk-through guide, do some research – you get the idea!

Petri Knowledge base – Been around as long as I can remember.

Computer Hope – Another long time favorite.

Computer Performance – Anything and everything Windows.

Command-Line Kung Fu – For the avid CLI user.

The Bryant Advantage – Resource for Cisco training videos and literature.