If there is such a thing as a digital photo frame specialist, Pandigital might very well be it. It should come as no surprise then, that the company has just announced a new cellular-connected product to compete with the forthcoming Vizit frame. Focused on making photo sharing as easy as possible, this new 8-inch LED-backlit display comes with an AT&T cellular connection and associated email account, making the process of getting pictures on it effortless -- and sufficiently remote to let you drop photos off with grandma without having to actually be there. The first 300 mailed snaps are free, at which point you'll have to choo