Sony Ericsson Z750a now available on AT&T, the first Sony Ericsson U.S. ready HSDPA phone could now be yours for as little as $49.99, for 2 year contract and mail-in rebate.Three color options are available - gray, purple and pink. Specs include 2 megapixel camera, HSDPA support, stereo Bluetooth (A2DP), 2.2-inch QVGA screen, and a memory stick micro slot.