writes "Mainsoft confirmed today that they are indeed porting Microsoft's apps to Linux. The story was first reported in Paul Thurrott's WinInfo yesterday. Internet Explorer and Windows Media Player will be among the first apps to be ported."
On the other hand we have this submission:rendell
writes "According to this story on Beta News, Microsoft is denying the rumors that they were in the process of porting some of their software to the Linux platform. Especially focusing on the rumor that the main project was Office."
So - who knows? My analysis: Microsoft is correct - /they/ are not doing the porting. Mainsoft however, appears to have the powers to execute the porting.