My top ten in no particular order would have to be..
1) Peep Show
2) Game On (The first series though, I preferred Ben Chaplin as opposed to Neil Stuke)
3) The Worst Week Of My Life
4) Saxondale
5) The Inbetweeners
6) The Royle Family (I absolutely adore Anthony's Character as well as Jim's)
7) The Thick of It
8) The Smoking Room
9) The IT Crowd
10) The Office
Other honourable mentions:
Grandma's House
Friday Night Dinner
Green Wing
Not Going Out
Coupling