I may be in danger of being labelled a Microsoft fanboy here, but I think Windows Phone is (or has potential to be) a good software platform, and Microsoft has

I may be in danger of being labelled a Microsoft fanboy here, but I think Windows Phone is (or has potential to be) a good software platform, and Microsoft has got the money (and I think the will) to stick with it for a while - RIM would mostly be useful to them for their enterprise software stack, and as a hardware manufacturer.