I remember having those same worries before we tried CR. The lobby does feel like a hotel, but once you get on the 4th floor where all the action is, then it's definitely disney. And you will not spend much time in the actual lobby -- you will be on the 4th floor for Chef Mickeys, shopping, fast food, arcade.
We've stayed in both the tower and the wing. Latest stay was on the CL floor facing the MK, which was an absolute dream room. I remember reading on here about getting an odd-numbered room and being able to see the Castle change colors from bed, but until I actually experienced it for myself, I didn't really know just how special that is. So if you ever get the chance, take advantage of it.
The wing wasn't "bad," but we only stayed there for 2 nights just to go to the Halloween party at MK. We wanted easy access to and from the MK, but not at the tower price. So if you're looking for something like that, then the wing is a good choice. But if you're looking for an all-around vacation like at the Poly or BC, then the tower is what I'd recommend.