WSJ.com - Personal Technology: Microsoft Introduces Two Smart Phones That Are a Little Slow: "I've been testing the first two U.S. phones to use this new Microsoft software: the Motorola MPx200, offered by AT&T Wireless, and the Samsung i600, offered by Verizon Wireless.
Neither phone is anywhere near as good as the Treo 600. Unlike the Treo, they lack keyboards for entering large amounts of text, so I can't recommend them for serious e-mail users.
They're really not even in the Treo's category. They're smart phones for people still interested primarily in making voice calls, but want a few extras. These extras include the ability to synchronize easily with PC-based calendars and address books, and to do light e-mail and a little Web browsing. The phones can also play music, and both accept expansion cards."