Last night Shapeways, Ultimaker, Instructables and others announced a pretty big contest in which they are choosing 10 winners for. Prizes range from 3D printers, to Shapeways credits, to t-shirts, and more. Details are here:
http://3dprint.com/2102/gadget-hacki...in-3d-printer/

The contest is called the Gadget Hacking & Accessories Contest, and will reward those who are able to hack a gadget and post an Instructable about how it was done. The contest runs until June 2nd, and winners will be chosen after the final voting has taken place, which will last until June 5th.