Ready for the era of $300 superphones? We know, we aren't either, but the addition of LTE seems to be justification enough for Verizon Wireless and Samsung to toss a $299.99 subsidized price on the latter's newest handset. After being leaked a few times over, the borderline-ominous phone is finally getting official. April 28th is the day, with consumers then able to grab a 4.3-inch AMOLED Plus display, rear-facing 8 megapixel camera, a 1.3 megapixel fr