TippingPoint started another round of Pwn2Own and sets a $15k bounty on Motorola Android phones as the Milestone

more on their official page http://dvlabs.tippingpoint.com/blog/2010/02/15/pwn2own-2010

another public bounty is ready to find its rightful owner, the one to hack or find a way to hack the Milestone will be offered a >$600 bounty so far ;) you can still top on that amount http://www.kapipal.com/062865e22d0c44f08cf5f07aa76665e9