Sluggy Freelance (The niftyest of them all)
Userfriendly (The one true helpdesk)
GPF (General Protection Fault)
Penny Arcade
MegaTokyo
Sinfest
Bruno the Bandit
Urban Dragons
Elflife
Broken Saints (Probably the best Flash comic ever)
FreeFall
Walky
Christian Cartoons
Unlikely Minerva
Newshounds
Funny Farm
Calvin and Hobbes
Over the Hedge
Rose Is Rose
Shermans Lagoon
Pc & Pixel
RobotMan
In The Bleachers
Non Sequitur
FoxTrot
Garfield
Herman
Dilbert
Reality Check
SpeedBump
Thats Life
Bizarro
Surf Rat and Spencer
The Falling Dream
Absurd Notions
Red Meat
Sexy Losers (WARNING - Not for the faint of heart, 18+ or parantel supervision required)