What do you think of it?

http://www.youtube.com/watch?v=jkraPv-I_Bk 

Pretty neat. The main thing I'd be unsure of would be how much technique is involved in the clipping. The guy in the video looks like he's practiced.

Stevie is an European legend ...

he looks like a legend too... hehe

Alan, I was thinking the same thing. Looks like clipping a fixed piece (bolt, ice screw, piton)  wouldn't be too bad, but looks dubious for a desperate clip on the rope side. It will be neat to try it out in a store. 

The magnetron seems a little simpler for the fixed end of the draw, or your harness.

I could see the Grivel one being easier with one hand for the rope end.