Comment Obligatory "Imagine a Beowulf ..." (Score 1) 124
Root the phone, install MPI, and you're set. Add Torque/Maui for scheduling. Or stick Condor on it. You know the drill. We all remember what Sony did to the PS2 beowulfs. >:(
Or you could just run Boincoid http://boincoid.sourceforge.net/ on it while it's sitting on the charger overnight.