Technically, Double Dragon and Contra on the NES were demakes.
As for more from Capcom, good. Why? Because Dead Rising isn't just some information black hole. They can actually use what they learned from it to make better conversions.
Plus with the MT Framework being ported to the Wii, they'll have even better tools this time (not that the RE4 Engine is bad, just likely not made for games of larger scale).
A flashy-first game is awesome when it comes out. A great-first game is awesome forever.
Plus, just for the hell of it: Kelly Brook at the 2008 BAFTAs