I have this stabiliser. Calibrated for use with my FX1. Not really taken it out much yet but so far does seem to provide a nice smooth effect.

It's very well built for a Chinese item to be honest.

Some videos about it:

YouTube - Wondlan Pegasus Ares 1 steadicam steadycam DV Camcorder stabilizer (http://www.youtube.com/watch?v=YNhgFgjPNxE)

YouTube - WONDLAN Ares 2 Camera Stabilizer Unboxing (http://www.youtube.com/watch?v=-LUmQpGznOs)

YouTube - My new Wondlan Ares Camcorder Stabilizer Steadicam on Sony FX1 (http://www.youtube.com/watch?v=L_2hGtlSrQw)