The Office (US)
Freaks And Geeks
Summer Heights High
The West Wing
Think that's all of them but sure I will've forgotten some. Getting there with Mad Men at the moment, would probably be somewhere near the bottom. Getting there with Northern Exposure too, and if the quality maintains that of the first 3, it'll probably be second from top.
aiming to get through Big Love, Sopranos, In Treatment. Quantum Leap and The Twilight Zone too are appealing, despite me not knowing anything about them.