Lament missed big time on the natural appeal of exploring a Castle. Sure, it had the Castlevania art style and the action was satisfying, but the Castle was not.
Most of the rooms seemed meaningless especially compared to the room designs of Resident Evil, the interactive architecture of ICO, the interesting room designs, action, and scale of Prime. With a game like Ninja Gaiden, a first time action/adventure outing for Itagaki, doing so much better at bring all this together than IGA's first time in 3d, I'm a little worried.
Still I will give Nanobreaker a shot.
Edit: I actually think the screens look damn fine. Seems like there will be more going on with this one.