Windows Phone 7 hits US with three devices: HTC HD 7, HTC Surround and Samsung Focus

Good news for US, Windows Phone 7 has arrived and is ready for you to purchase.

The Microsoft Store announced three Windows Phone 7 devices: the HTC HD 7 for T-Mobile, HTC Surround and Samsung Focus for AT&T.

Some rumours say that the 4.1 inch Dell Venue Pro for T-Mobile will also be available today at Microsoft retail locations.

Now we will witness a strong competition in the market against Android and iPhone. So, who do you think it will win?

[Via microsoftstore]