The BlackBerry Curve 8900 is the latest addition to AT&T Mobility’s extensive smartphone line-up. 

Originally set to debut tomorrow, the Curve 8900 was posted today in AT&T’s online store.  The price: $199 with a two-year service agreement and a $100 mail-in rebate.

The Curve 8900 boasts Wi-Fi, Bluetooth and aGPS, but does not have HSDPA 3G mobile broadband connectivity.  Other features include a microSDHC memory card slot (for adding up to 16GB of storage), a 3.2MP digital camera, turn-by-turn navigation, a QWERTY keyboard, and a non-touchscreen display.

The BlackBerry Curve 8900 is now available for order the AT&T Mobility web site and should come to third-party retailers in the next couple of weeks.