Making a large list of all the betas going on so people can join them and if they are lucky get in the actual beta.
1 - 7 winners next Friday - Just follow
https://twitter.com/#!/ForceStrategy on twitter.
2 - Beta Key Contest - News - Diablo Discussion and Community Forums - DiabloFans.com
3 - MMOGA Gold selling site (might be fake)
http://www.mmoga.de/Diablo-3-Beta-Gewinnspiel.html