The biggest chunk of eye candy we've seen out of Microsoft's MIX10 event so far today has been the unveiling of the significantly-retooled Windows Phone Marketplace that'll debut in Windows Phone 7 Series -- and needless to say, it's a looker. It's got support for credit card purchases, operator billing, and ad-supported content -- a hot topic right now with Google's and Apple's mobile advertising acquisitions -- and a try-before-you-buy scheme not unlike Android Market's policy. and We've been offered some video of the new Marketplace in action, and it looks super polished and well-integrated with the typical WP