Here are some of the shows I liked and would recommend:
-Chuck
-Burn Notice
-White Collar
-Royal Pains
-Veronica Mars (...yes, I'm a sucker for Kristen Bell)
-Top Gear (duh.)
-The Pacific
-Band of Brothers
-Scrubs
-Arrested Development
I've also heard good things about Entourage, Breaking Bad, Dexter and Californication.