Edge--
Here is my second hover ever with the Trex...I wasn't trying to achieve a motionless hover, but it might help ya to see it really is a nice and stable heli. I'am thinking your HDX is possibly the same to. Lots of set-up still to do, and half way figured out the DX-7, so looking forward to better improvements...Lol..

I was tinkering last night, and got a 15 second hover with my left thumb off the stick ! I'll download it on You-Tube later, or try for better as my fingers were frozen in the garage...
-- Jeff
http://www.youtube.com/watch?v=_m0INC_MkLk