For project ideas, you may want to check out .impact's comprehensive list of EA projects (active, planned, and mere ideas) and contact those currently working on them if you'd like to get involved: https://impact.hackpad.com/Projects-aRiPtncmuKS
Please be conservative when giving your answers, as past experience suggests that it's easy to overestimate how likely you are to volunteer. We'd love to hear from you if you're potentially interested in this though, even if you decide there's a good chance you won't end up volunteering!
All answers are public in the spreadsheet here: https://docs.google.com/spreadsheet/ccc?key=0AqYgDWjtTPhSdG1hblR4LXZiWHlXZUZPNGtNWmkxLUE&usp=drive_web#gid=0