I love listening to podcasts while I work. My favorite are:
Adam Carolla Show
ACE on the house
Adam Carolla's Carcast
Mohr Stories
About Last Night
The Crab Feast
Jordan, Jesse, Go
My Brother, My Brother, and Me
Throwing Shade
Dave Ramsey Show
Dave Ramsey's Entre' Leadership
Sex Nerd Sandra
WTF with Marc Maron
The Todd Glass Show
All great stuff to pass the hours during a long work week. Check 'em out.