Next month, Microsoft Office 2008 for Mac will be trimmed down to 2 editions: Home/Student and Business Edition.With Microsoft Office for Mac still owning a hefty portion of the Mac software market, it's always news when the Mac Business Unit decides to spill the beans on their product plans for the future.TUAW's Michael Rose was on the press call this morning and noted the headlines, with details in the press release in the 2nd half of the post: