T-Mobile USA has decided to release three new Samsung’s messaging phones in the form of the Samsung Gravity T, Samsung Gravity 3 and Samsung : ) Smiley. Priced at $74.99 with a new contract agreement for 2 years, the Samsung Gravity T has a 2.8-inch touchscreen display, a full QWERTY keyboard, 3G, HTML browser, a 2MP camera with video recording, and a MicroSD card support (up to 16GB). The Samsung Gravity 3 boasts a QWERTY and a T9 keypad, 3G, HTML browser, a 2MP camera, and a memory card slot. This handset retails for $49.99 with a 2-year contract. The Samsung : ) Smiley comes equipped with a portrait QWERTY keyboard, 3G, a 1.3MP camera and a MicroSD card support. The Smiley is priced at $19.99 on contract. All of these handset come equipped with Exchange email, and T-Mobile Social Buzz – a new feature that integrates popular social networking sites and can run in the background to deliver pop-up message notifications.