PR2 Robot is Available. Do you have a good open source idea and $280.000?

Willow Garage just announced that the PR2 is available for purchase. It is a very competent robot system including the he great open source operating system ROS. PR2 that can do amazing stuff like getting you a beer when you are playing pool together! But it costs $400.000 or $280.000 if you have a good open source idea What do you think will it be a hit? What would you programing it to do for you?