BusinessWeek writes on Palm, Microsoft and the recent buyout of PalmSource. Not surprisingly, Palm was trying to buy PalmSource but eventually lost out, which is why it went for such a premium to Access. BusinessWeek confirms that Palm will be using Windows Mobile in an upcoming Treo and that the company plans on using both PalmOS and Windows Bobile:
And while Palm will sell both Palm OS and Windows Treos for the indefinite future, Microsoft software is likely to dominate the market over time.
Rumors broke in August that the Treo 670 would run Windows Mobile. According to the BusinessWeek article, it should be announced soon (though it could be called by another name). It should start shipping early next year.