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The Lumia 650 comes with Windows 10 and all of it's features (with the exception of Windows Hello) at a price anybody can afford.
Con Weak specs
While not available yet (reviewers haven't had the chance to test it yet), based on the specs it looks like performance will leave some to be desired. A Snapdragon 212, 1GB of RAM, and 2000mAh battery are specs that could be found in a $100-150 Android phone.