The Samsung M520 recently became available for sale on the Sprint web site. This Power Vision phone is an update to the M510 and is the first EV-DO slider from Sprint. It has a music player, microSD slot for storage up to 4GB, a 1.3 megapixel camera, and the ability to multi-task between applications. It also includes GPS, stereo Bluetooth and access to Sirius satellite radio. It will cost $50 after rebates with new two-year contract.