Here are the links to various tourney and event related threads for your convenience.
Also, the recently released Map of PAX,
now you can map out your route for the weekend, just remember that those spaces will be packed with people, so a straight line will be likely impossible.PAX Tournaments
Vivendi Universal Games
Role Playing Game Association Events
Technomancer Press Events
PAX Forum Community EventsPre-PAX
More will be added as necessary.