Probably the best made rig for this camera is the Steadicam Pilot.
http://www.steadicam.com/pilot.html
I'd suggest you also consider a workshop, if you're in the USA Peter Abrahams conducts great workshops for the lighter rigs.
http://www.thesteadicamworkshops.com/
Cinematographer, Steadicam Operator, Final Cut Pro Post Production.
http://www.steadi-onfilms.com.au/