Minn Kota Ultrex

I have always used a Motorguide, but I have one of these on order to give a try. Looks like a real winner to me if they perform as advertised. Anyone else have any input from field testers about problems/duribility?
Here's a link with a little more info from Bass:
http://www.bassmaster.com/gear/gear-review-minn-kota-ultrex