Well, targeting current high-end hardware (and tomorrow's merely average hardware) may be a better strategy than Microsoft's attempt with WP Tango, which target

Well, targeting current high-end hardware (and tomorrow's merely average hardware) may be a better strategy than Microsoft's attempt with WP Tango, which targeted low-end hardware on a platform that was already behind the competition. I would assume that Microsoft is smart enough to avoid pushing two separate ecosystems (WP7 and WP8) since they don't have a real foothold with one.