While it was fun while it lasted, it was obvious that Willow Garage couldn't keep giving away its ultra-high-end development platform PR2 bots forever. After shipping 11 of the bots to research institutes, Willow Garage is now selling the PR2 to all comers -- as long as they've got 400 grand in their back pocket. We've covered the specs before (oodles of CPU power, two highly articulated pincer arms, and high-end vision systems), along with some of PR2's recent hijinks, and hopefully we see more of that sort of stuff now that the rugged, ready-for-adventure PR2 is on the market. If y