Apparently Microsoft is having this programme called "Microsoft Office Live". There are 3 types of products: Basics, Collaboration, and Essentials. All are free during beta, but only Basics is free "during and after beta".
An extract from the site:
However, at the "Registration Complete" page, there is this line:
At this time, our beta is open to U.S. residents only.Looks interesting... hope it will continue to remain as it is...