I got the Unity at a bargain price of $23.00 on ebay a few months ago..
the best I've used and very accurate. very compact when all the pieces bolt onto each other in it's own storage bag. After using the Unity... I'm selling my Hudy All-in-one setup system..
HB WCE HARA EDITION CYCLONE: LRP Sphere TC, KO 2363 digital servo.
HB HARA EDITION PRO4: Gone to a new home..