Think Geek - They sell every super-geek thing you need from binary led wristwatches to caffeinated soap and water

Slashdot - All the best and most important news about the internet, computing, information rights, and gaming (all kinds)

The Onion - All of the best and most important news that never really happened. An awesome parody new site

Modern Mechanix - A massive scanned collection of technical mags like Popular Science from the 70's on back

Deviant Art - Hugmungoid storehouse of artists' online galleries, some of which are just amazing.