Sun Microsystems will bring its StartupCamp, a free, two-day “unconference” that gathers together founders, entrepreneurs and technologists, to San Francisco’s Moscone Center starting this Sunday, May 4th. The event will feature a keynote from Sun CEO Jonathan Schwartz that will include an on-stage interview by our own Om Malik, plus panels on topics ranging from cloud computing to social networks to media launch how-to’s. To register, click here.