All the carriers are dropping the prices of their old handsets and even offering them for Free of cost on contract. To join that list, T_Mobile branded HTC myTouch 4G handset is now available for free, provided you sign a new 2-year agreement with the carrier.
T-Mobile myTouch 4G handset runs with Android 2.2 Froyo, sports 3.8-inch WVGA touch-screen display with Virtual keyboard and Swype, equipped with the next gen Qualcomm Snapdragon1GHz MSM8255 processor, Wi-Fi video chat, 5-megapixel camera with LED flash & 720p video recording, as well as secondary VGA front facing camera for video calling, 768MB of RAM, 4GB of internal storage, micro-SD card slot support for 32GB memory expansion, HSDPA 14.4 Mbps, HSUPA 5.76 Mbps, Wi-Fi 802.11 b/g/n DLNA, Bluetooth 2.1 with A2DP support, GPS with A-GPS support.
Refer this post for myTouch 4G full Specifications.
You can buy the HTC myTouch 4G handset here at T-Mobile Stores (hit the link) for Free in four colors by singing a two-year contract with the carrier.