From MrCheesyCam
If you are using your DSLR for movies, you might want to check out the Pico Flex Dolly. It is designed to be the smallest and lightest footprint for new small cameras like the Panasonic GH2, Sony NEX-5N, Sony NEX-7, and Olympus EP-3 and yet strong enough to also support large Ball/Fluid Heads with Full Size DSLRs.
More information at http://cheesycam.com/
via engadget