So //build/ is underway and there have been some significant announcements (yeah, the Samsung slate is probably the favorite among the attendees). The biggest announcement in my opinion which is game changing is ‘WinRT’, the Windows Runtime. Yes, there are other significant announcements like the support of various form factors (to lay the argument of head-on competing with the iPad to rest) and the new OS is backward compatible to Windows 7 (how can that not be? we are not talking Apple), but those are not the differentiators.
The differentiator is the eco system and with WinRT the entire Microsoft platform eco system centers around this runtime. Microsoft has tried that in the past with various versions of .NET Framework, but what was achieved was always a subset or a superset for various form factors. For the first time it seems we have the same runtime for all form factors (I have not had my hand on Windows 8 Preview yet and so could be wrong). If that is true what do we have?