I have a feeling this will be a lot like Game of Thrones. Two games that feel quite different, but both pretty awesome. I would imagine each will have it's fans vs the other. Nice to have choices!
Much like GoT, I THINK I prefer the pro. I could see myself concentrating too much on the upper playfield and ignoring the rest of the game (kind of had that problem with No Fear concentrating too much on the jump ramp). And I just do not find the upper all that satisfying, while I love the flow of the ramp on the pro. To be fair though, I really have not played the premium enough yet, so my mind could change. I've played the pro quite a bit more and LOVE it.
Again, both great games whichever you prefer!