Okay, in no particular order:
Established Shows
Dexter
Breaking Bad
Game of Thrones
House
NCIS
Mythbusters
How I Met Your Mother
Big Bang Theory
Alphas
Warehouse 13
Eureka
Glee
Being Human
Walking Dead
Fringe (now on my short list of shows I may drop from viewing rotation)
Supernatural
True Blood
Haven
NCIS Los Angeles
The Mentalist
Justified
Californication
United States of Tara
New shows this year I am giving a shot:
Terra Nova (still on the fence about it)
2 Broke Girls
The New Girl
Suburgatory
That's all I can think of right now