Andy Lester has posted a note on PerlBuzz calling for mentors and students for this year's Google's Summer of Code.
Links here to already signed up mentors, and the proposed list of projects.
Throwing nuclear weapons into the sun
Making everybody on Earth disappear
A threat from an alien with a mighty robot
A new technology or communications medium
Providing a magic fish to a Miss Universe
Establishing a Group mind
Results (193 votes). Check out past polls.