Nokia Lumia 710 (T-Mobile)

Click here to Buy It Now from T-Mobile

Heads up: This deal ends today. As in: when you wake up tomorrow morning you'll no longer be able to purchase one of the best Windows Phone 7 handsets for free. The advertisements will tell you that the 710 is the 4G Nokia Windows Phone 7 to hit the States. We'll tell you it's a solid performer—1.4 GHz Snapdragon processor—with a darling of an OS. If you want to experiment with Windows Phone, you can't pick a better phone.