The grain of salt we're taking this with is roughly boulder-sized but, we have an image of what may very well be the AT&T Nokia Ace -- the rumored LTE-sporting Windows Phone from the Finnish phone maker. It seems that someone sent out a holiday greeting featuring a phone that looks a heck of a lot like the Lumia 800, except it prominently features a Ma-Bell logo, a 4G icon and what appears to be a front facing camera. Of course, what has also been referred to as the
