Las Vegas - SanDisk (NASD: SNDK), a maker of storage media and MP3 players, on Wednesday introduced its Sansa slotRadio player and accompanying line of slotRadio format music cards at the Consumer Electronics Show in Las Vegas. Designed for the casual music consumer, the $99 player comes with a slotRadio card pre-loaded with 1,000 songs from a range of genres, picked from a variety of playlists from Billboard's charts. Separately, the company announced a new "Rock Band 2" music game-branded 2GB SD card, designed for use with the Nintendo Wii, which will sell for $12.99.