T-Mobile begins selling the Samsung Blast (T729) today. The Blast is a messaging-focused slider with a SureType-style QWERTY keyboard and an email client that supports a number of popular online services like Yahoo! and GMail, as well as POP and IMAP accounts. It is a quad-band GSM/EDGE handset featuring a 1.3 Megapixel camera, Stereo Bluetooth, MicroSD card slot and media player. The Blast is available today for $100 with a 2 year contract.