It originally launched in Europe and Asia on October 21, 2010, and is due to launch in the US on November 8, 2010.

In this video, Jon Rettinger will be giving you a review and overview of the device as well as whether it will give you a run for your money.  Microsoft offers a new user interface, integrates the operating system with other services, and plans to strictly control the hardware it runs on on this new device.

According to Microsoft, all Windows Phone 7 devices must include the following:

Minimum Windows Phone 7 device requirements
Capacitive, 4-point multitouch screen with WVGA (800×480) resolution
1 GHz ARM v7 "Cortex/Scorpion" or better processor
DirectX9 rendering-capable GPU
256MB of RAM with at least 8GB of Flash memory
Accelerometer with compass, ambient light sensor, proximity sensor and Assisted GPS
5-megapixel camera with flash
FM radio tuner
6 dedicated hardware buttons – back, Start, search, camera, power/sleep and Volume Up and Down.[84]