I agree that they haven't hit their potential, but from what I understand, slim versions are made because the advancements in technology allow them to pack the same power in slimmer/smaller body.
As long as it isn't adding more power I guess I'd be alright with it. I'd be pissed to have bought as launch, had no real games. Then they release a stronger console and target that. Talking about new consoles any word on the next Nintendo console?
Yeah, if they release a Pro version, that would just be a cash grab, at this point (and annoying for tons of users who have bought current gen). A slim version can be fine though.