Microsoft’s Windows Phone 7.5 “Mango” update has already been distributed as an update for existing Windows Phone devices, but now it’s rolling out on new phones, as well.

AT&T announced that its new Windows Phone 7.5 devices, the Focus S and Focus Flash by Samsung, will be available in AT&T stores starting this coming weekend, on Nov. 6. (Focus S is $199.99, Focus Flash is 49.99 with a two-year contract). The HTC Radar 4G is coming to T-Mobile USA Nov. 2 ($99.99 after rebate with a two-year contract).

Reviewing Windows Phone Mango last week, New York Time tech columnist David Pogue put it this way: “Windows Phone 7.5 is gorgeous, classy, satisfying, fast and coherent. The design is intelligent, clean and uncluttered. Never in a million years would you guess that it came from the same company that cooked up the bloated spaghetti that is Windows and Office.”

This update to Windows Phone is Microsoft’s latest bid to regain traction in the mobile market against Android and iPhone. Are you feeling it? Vote in our poll below.

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