Unlocked Nokia Lumia 800 with Windows Phone available at Amazon USA
So, for $649.99 you can get yourself a brand new Lumia 800 (16GB edition) that’s compatible with AT&T’s HSPA network (T-Mobile’s 1700MHz frequency isn’t supported).
In case you haven’t found out yet, the Lumia 800 is Nokia’s first Windows Phone handset (running the latest Mango version of the OS). Its features include a 3.7 inch WVGA ClearBlack AMOLED display, 1.4GHz single core processor, and an 8MP Carl Zeiss camera with dual LED flash. Go here on Amazon to order the 800 now.
An LTE-enabled version of the Lumia 800 should be released by AT&T in the US sometime in early 2012. The unannounced Nokia Lumia 900 should be also introduced Stateside next year (likely not by AT&T).