Yes, yes and yes!
I've had both and the Terrova is much easier to deploy. Almost went over the nose of my boat a couple of times trying to get my Power-drive back up. It may blow your budget for a while but the Terrova with US2 and I-Pilot is well worth every $.01. I twisted off 2 transducer cables that would have covered the price of the US2 on the Power-Drive.