Hey, cheers for the info. I'm slowly getting a picture of where things are and if I'm likely to be able to contribute at all. For a robust platform to extend in software would be the fun I was after. I've started a Manchester group - there's an amazing 3 of us: http://www.facebook.com/groups/523358144381052/ The kit I've found at a cheapISH price so far is: http://www.seeedstudio.com/depot/preorder-crazyflie-nano-qua...