FFFFound! – inspirational design images:
http://ffffound.com/

Know your Meme – daily updated website on all the latest internet meme’s so you don’t have to find them yourself:
http://knowyourmeme.com/

Programming Puzzle Websites to keep your skills sharp
http://sixrevisions.com/resources/10-puzzle-websites-to-sharpen-your-programming-skills/

Love those little programming demo competitions – but hate downloading programs and trying to get them to run?  Just watch them!
http://demoscene.tv/

And Rules for my Unborn Son – a collection of submitted wisdom for males.
http://rulesformyunbornson.tumblr.com/