Digital photo frames have graduated from gadget to gift. Read our review to see why. Seems like a no-brainer. Frame an LCD with a card reader slapped on the back and -- presto! -- you've got a digital photo frame. The idea isn't new. Early attempts like those from Ceiva Logic in 1999 even featured a built-in modem to dial into online accounts and refresh the subject matter nightly. But it's harder than it looks. Fortunately, Pandigital has man...