It's also nice to see a voice of reason right here on Slashdot.
And if you're feeling a bit insane, then this incredibly deep online psychological self-help guide will see you right.
Dasher is an amazing project, and even though it's for disabled people, I play it like a game.. it's great seeing how fast you can write stuff just with the mouse:-)
Last but not least, I couldn't go without recommending Cooked and Bombed, an archive of tons of funny Chris Morris bits.