Sounds like the typical incremental top up of the previous 1-generation with more emphasis on fast fps video - not illogical from business point-of-view. May be this is not a 1D-series spec but a 2,3,4 or whatever D (the weight factor precludes a 5)
Don't expect your 2011 wishes to be fulfilled in 2011/12, guys. Let's leave some dreams for our kids as well.