I know I'm probably in a minority seeing the reactions to 9 here, but I loved it. It skipped past all the needless junk tossed in the series for the last few games, and just focused on making it a fun game again. The X series hasn't held my interest since X4, the XYZ or whatever series they made on the GBA afterwards...ugh. Megaman Network battle held my interest for a very short time (bought one game not realizing it was more RPG'ish, wasn't bad tho). I think, much like Sonic, they've been taking Megaman in the wrong direction for a long time. 9 was, to me, what the series needed.
Don't get me wrong, I'd love to see a new legends, or state of the art 2D platforming powerhouse, but if 10's as fun as 9 I'll be happy. Plus, profit wise, I understand Capcom's reasoning. Why blow several million dollars over a few years making a state of the art Megaman when an 8-bit cheaply made one sells almost as well.