Gamer/Geek Comics
Dueling Analogs (http://www.duelinganalogs.com/)
VG Cats (http://www.vgcats.com/)
The Joy of Tech (http://www.joyoftech.com/joyoftech/)
Castlevania RPG (CVRPG) (http://www.cvrpg.com/Comics/comiclast.php)

If you like QC and S*P
Real Life (http://www.reallifecomics.com/)
Chugworth Academy (http://chugworth.com/)
Girls With Slingshots (http://www.daniellecorsetto.com/gws.html)
Treading Ground (http://treadingground.comicgenesis.com/)
headtripcomics

An Assortment of Cool
Alpha Shade (http://www.alpha-shade.com/)
get_medieval
The Wotch (http://www.thewotch.com/)
Strange Candy (http://www.strangecandy.net/)
Angels 2200 (http://www.angels2200.com/)
Girl Genius (http://www.girlgeniusonline.com/cgi-bin/gg101.cgi)
The Adventures of Dr. McNinja (http://www.drmcninja.com/)
Grim Tales From Down Below (http://grim.snafu-comics.com/)
Tales Of The Questor (http://npc.comicgen.com/)
Dominic Deegan: Oracle For Hire (http://www.dominic-deegan.com/)

Frequently Not Work Safe
Flipside (http://www.flipsidecomics.com/)
Kagerou (http://www.electric-manga.com/)
JunkRIOT (http://junkriot.comicgen.com/)
Ghastly's Ghastly Comic (http://www.ghastlycomic.com/)
Twelve Dragons (http://twelvedragons.comicgenesis.com/)
Errant Story (http://www.errantstory.com/)

Or you can browse a bunch more from The Belfrey (http://www.belfry.com/comics/index.php).

Hope that's enough for you. :)