We pretty much knew that Windows Mobile 7 is coming next week at MWC, but the Wall Street Journal has a piece up confirming the announcement, along with a few other interesting details. As we'd heard, the new UI is a riff on the Zune HD interface, and the OS "reflects a much tighter focus" on hardware / software integration, all based around a "small number" of hardware chassis specs -- pretty much what we've known, but it's interesting that the Journal's source says the plan is to "limit the wild variation" that's typically been the hallmark