I'm betting on both. I think there is no way they could go only WP7 - WP7 is controlled absolutely by Microsoft and Nokia cannot afford to be subjugated that w

I'm betting on both. I think there is no way they could go only WP7 - WP7 is controlled absolutely by Microsoft and Nokia cannot afford to be subjugated that way. If they are really bold - and I kind of hope hey are - I would base it on Android but make it "better" - as in, devote huge resources to solve the long standing problems with Android - the UI is not slick enough, not smooth enough, the compatibility story is problematic, the market is polluted with low end stuff and much of the high end stuff doesn't run on all the phones. If they forked Android and put out kick-ass awesome hardware with compatible but totally redone and beautiful iPhone-quality UI, a more curated market (without Apple lock down), bold promises about upgrades ("we will guarantee any phone we release will get current versions of the OS for 3 years") - they could possibly even steal the market leadership from Google on the Android platform. They are one of the few companies that would have the resources to do this - I hope they give it a shot. Having said that, I bet WP7 will be in the mix if only to convince the market that there is a backup plan.