San Diego Comic Con: LEGO is working with the 501st Legion to help distribute the figures. These will not be available at LEGO’s booth. Supplies are limited. No further details yet. It may involve participating in their popular Droid Hunt activity they seem to do at every convention where they have a presence...
Star Wars Celebration V: Those participating in the community mural build will be awarded a White Boba Fett figure for their efforts. Again, supplies are limited...
If you'll be attending any one of these events, be on the look out. There are also rumors of Star Wars Cube Dudes at Comic Con. Click on either link below for more details.(Via FBTB.net and Modelbuildingsecrets Blog)