Yeah, I've been using Pandora for a few years now. It's great for listening to music at work...and the best part is that it adapts to your preferences over time.
On to the topic. Here's some sites that I frequent and mentioned previously in a similar thread. You are probably familiar with some, while others not so much.
Fark - how else will I figure out what's going on in the world in just 15 min. a day.Link
Snopes - great site for dispelling all of those urban myths...hours of great readingLink
X-entertainment - for any child of the 80's, the articles here are on pointLink
HowStuffWorks - exactly as it sounds...and covers damn near everythingLink
Instructables - want to know how to make something/anything? find out howLink
BenHeck - what to do with all your old video game consoles...this guy's a geniousLink
IMDB - the movie/tv bibleLink