Palm recently announced the availability of unlocked Treo 750 smartphones, shipping with Windows Mobile 6. Previously available only through AT&T, the unlocked smartphone can be used through any GSM service provider. The Treo 750 features a Palm handheld PDA in the same package as a five-band world phone. With Windows Mobile 6 built-in, the device can sync with Exchange Server 2007. Palm is selling the unlocked unit through its retail and online stores for $550.

The Palm Treo 750 with Windows Mobile 6 allows users to take advantage of a wide variety of services from Exchange Server, including Direct Push email, calendars, contacts, and tasks; HTML-formatted email; out-of-office messaging; mini-SD card encryption and remote data wipe, and more.