>>And as KG puts it, armchair QBs with no skin in the game don't make for much more than sideline critics.
>>I'm much more likely to listen to an MVP who has become a player in this space (JB) than someone who isn't....

You don't need to be a MVP to do simple math. Assuming you accept that Android now has exceeded 400,000 activations daily, check this out: http://www.phonearena.com/news/Windows-Phone-7-sales-catastrophic-at-674000_id18585 : if it's true, then Android activations exceed the entire WP7 user base every two days.

It may be wrong, so lets focus on the figures: 400,000 activations daily is 2.8 million per week, say 12 million per month, 35 million per quarter. MS says 2 million WP7 devices shipped in Q1, though "shipped" is not the same as activated and none of the observers accept that WP7 has 1 million activations yet. The first Nokia WP7 device is expected in early 2012, more than 6 months away. To simplify the math, lets assume Android activations don't grow past 500,000 daily during 2012 (though experts are predicting 1 million daily by 2013). In this scenario, what sort of daily WP7 activations will be required to catch up with Android's lead, let alone overtake it? Seems to me it would exceed the entire predicted market for 2012. At this stage it's simply not credible.