Here's stuff I watch in no specific order:
Law & Order
Band of Brothers
Battle Star Galactica (new series)
Flight of the Conchords
Survivor Man
No Reservations
ESPN & ESPN2
Kids in the Hall
Arrested Development
BBC America (same stuff as UK, minus cricket)
BBC Battlefields
The Daily Show
The Colbert Report
My Cousin Earl
House (not that often though)
NESN Hockey & Baseball
Futurama
A&E Movies
UFC
MythBusters (watched it since 2003)
Brainiac (cooler than Mythbusters imo)
Future Fighting Machines (The old Tech TV one)
PBS
Nat. Geo (channel)