id Software is looking for people to beta test their upcoming Quake Live game:
Enter your email address below to sign-up for the QUAKE LIVE Beta Program. Beta testers are given early access to the QUAKE LIVE website and game, and will help us test all of the game's features and functionality while offering feedback and suggestions. Simply enter your email address below to apply, but please note that entering does not guarantee participation in the beta program.
Quake Live will be available for free and will run in a web browser on both PC and Mac computer systems. It will use a slightly updated Quake 3 engine and will be supported by ads. You can sign up for the beta over here.