Today AT&T announced that it has made the Samsung A737 available for sale both online and in retail outlets. The A737, which is a successor to the A727, has quad-band GSM/EDGE and dual-band HSDPA radios, but in a slider form factor. It includes a 1.3 Megapixel camera and stereo Bluetooth, as well as a microSD slot that can handle cards up to 4GB in capacity. With its 3G data radios, it can take advantage of certain AT&T 3G services, such as video sharing and its music store. It will cost $50 after rebate new two-year agreement.