DSLR News Shooter has some info on a new Cinevate Trawly, 3 in one Camera Dolly, Tripod and handheld rig.
Here is a Video on it.
Trawly - Compact Camera Dolly from Cinevate on Vimeo.
It is $49 until March 1st, then goes up. You can read more about it at Cinevate’s web site.
Looks very cool.