March 3rd is no doubt going to be a monumental day for Samsung, but April 20th is certainly turning out to be quite memorable for potential specs of the Galaxy S III. Not only did we happen to come across a purported leak of the device itself, which suggested the handset would pack a 4.6-inch display and an 8 megapixel camera, but now a placeholder has popped up on Amazon's German site with a few contrasting specifications -- most notably, a 4.7-inch screen and a 12 megapi
