Win4lin is a great and cheap way to run the microsoft office suite on Linux. Go get your trial version at www.win4lin.com (no I do NOT have any commercial relationships with these guys, just an amazed user). win4lin is limited in which applications work but excel, powerpoint, and ms word all work fine. For a full windows under Linux have a look at vmware (www.vmware.com). I you have very small needs then try wine (www.winehq.com)