Track Dolly

[DigitalBard]

Any opinions on the Focus35 folding track dolly?

http://www.focus35.com/#!track-dolly

It looks nice, but my concern is that only has 2-wheels per leg. Cheesycam says that's an unstable configuration.

 

[DigitalBard]

Nevermind, I found one sub $150 with 4 wheels on each axel.