T-Mobile launched the Samsung t619 this week (in addition to the t629, further increasing the heavy presence of Samsung in T-Mobile lineup). The t619 is a mid-range flip phone that sports an unusually thin profile (about the same as the RAZR V3).
Features of the Samsung t619 include:
T-Mobile is selling the t619 for $79.99 after $120 in instant savings. A 2-year service contract is required.