Macでも動作するならOffice 2008を買わずにすむのですが、どうなんでしょ?
LOS ANGELES, Oct. 28, 2008 - As part of a strategic companywide shift toward embracing web-based solutions, Microsoft today announced plans to deliver Office Web applications - lightweight versions of Office - through web browsers.
Microsoft to Extend Office to the Browser: Q&A: Microsoft Senior Vice President Chris Capossela discusses how extending Office applications to the browser will increase choice and flexibility for customers.