Here are some great online resources for Ultimate Frisbee:

USA Ultimate - Register for USA Ultimate, read rules, find events and more.

The Huddle - Online Ultimate magazine with tips, ideas, Ultimate issues, etc.

UPA Score Reporter - Lists tournaments, schedules, results and teams in the Ultimate Community.

Freeheel Images - Check out the Ultimate Photography gallery for some great shots.

Scaughty Photography - Great sports photography, including Ultimate pictures, by Dark Meat Alumnus Scott Roeder (c/o 2005)

Five Ultimate - Cool Ultimate gear from a company started by 5 Ultimate playing brothers and sisters.

Rec Sport Disc - The No-Spam version of Rec Sport Disc, an open forum where you can find information about tournaments, pick up and general ultimate chatter.