While we've been fussing over the Xperia GX (aka the LT29i), it seems Sony's been working on something one integer higher. Mobile-review has published a run-down of a device it claims is called the LT30p -- aka the Mint we first heard of back in January -- which also appears to possess many of the specs we'd want from a high-end phone. The front side hosts a 1280 x 720 4.3-inch LCD, while the rear boasts the same 13-megapixel camera as the GX, and there's a mic