As any proper geek, I am quite fond of comics, and especially those related to mathematics, computers, dry humor and sarcasm. Although I follow several different stripes, there is one in particular that is almost always to my taste: xkcd. xkcd is, according to the site, “A webcomic of romance, sarcasm, love and language”, but also sports some computer-related stripes.
I urge you to walk backwards through the history of stripes as well, there are plenty of laughs to be had!
Another quite good comic strip I just came across is kopozky.net: