Motorola Atrix 4G on Sale for $50 this Weekend Only

UPDATED: Amazon.com's $50 sale on the Motorola Atrix 4G has come to an end, but this online retailer is now offering this smartphone for half off: $100 with contract.

The online retail giant Amazon.com is having a sale on the Motorola Atrix 4G today and tomorrow. AT&T charges $200 for this cutting-edge Android OS smartphone, but Amazon is asking as little as $50.

New AT&T customers can get the Atrix 4G from Amazon for $50 as long as they sign up for a two-year contract.

Current AT&T subscribers who are looking to upgrade to this model can get it from this retailer for $100.

These special deals are available this weekend only on the Amazon website.

Motorola Atrix 4G Overview
This high-end smartphone has a tablet shape and a qHD (960 x 540) touchscreen.

The Atrix 4G runs Android OS 2.2 on a 1GHz NVIDIA Tegra 2 dual-core processor, making it one of the fastest smartphones available in the U.S.. The device also has 1 GB of RAM, 16 GB of internal storage, and a microSD/HC memory card slot.

It is able to connect to AT&T's 4G HSPA+ network, plus it has Wi-Fi, Bluetooth, and a GPS receiver.

Users of this device have the option to get either of a pair of innovative -- but expensive -- docks that can make it into either a netbook or a nettop computer.