Pennay Arcade is one of my favorite online comics, and this is there 2nd year of doing an Expo, I can't wait.
http://www.penny-arcade.com/view.php

http://www.pennyarcadeexpo.com/

Here is this years Omegathon prize! Check this out!

http://cgi.ebay.com/ws/eBayISAPI.dll...00665710&rd=1&