It's time! The 2008 Interactive Fiction Competition, a competition for short text adventures, is now underway. You can download all of the games and rate them. You have until November 15th to get your votes in.
Whoops, here's a competition that I missed posting about earlier: the 2008 One Room Game Competition. It's a competition for interactive fiction set in a single room. You have until November 23rd to write and submit your game.