8.9ed?
It seems like IGN's complaints were niggling - too much reading and weird sideways graphics? The reading thing could be key if it really does break up the flow of the game like Matt claims, but I certainly didn't have a problem with it in the other Paper Marios.
All that said, an 8.9 is a 9 for all intents and purposes, and that's a good score. I can't wait.