ROS Diamondback Release Candidate 2 is now available for testing.
ROS + Python + Android = awesome I'm not sure if this is more useful for controlling ROS based robots from your cellphone or for building a swarm of cellbots style robots.
Meka's M1 looks great and runs ROS.
Neato XV-11 Laser Rangefinder driver. Probably worth keeping an eye open for "broken" vacuum cleaners.