Palm and AT&T have just released the much awaited Windows Mobile 6 upgrade for the Palm Treo 750. get it now fromt this link: WM6 Upgrade for AT&T Palm Treo 750

Besides upgrading to Windows Mobile 6 there are a few extra fixes and additions including:
  • AT&T Mall, AT&T Music and Cingular Video
  • Proxy manager, audio optimizations, DST fix
  • Other software fixes

    • As with all ROM updates, make sure you backup all valuable data from your device.