I use Maemo every day, and usability is excellent. It may take you a few minutes longer to figure out than the iPhone does, but it's not unintuitive and the task switcher is amazing.
Semi-OT, but a handy way to use different versions of Office on the same PC, and portably on a USB key, is to modify their installation via VMWare ThinApp:
http://www.vmware.com/products/thinapp/
I found out about Thinstals/Thinapps/"portable" versions when I accidentally browsed a torrent site where they are popular for various reasons, but the concept works well and it's easier to copy/paste a folder than do a conventional install.
A leading academic has warned that the European Commission "wilfully ignored" studies that it paid for whose conclusions disagreed with its policy, and that the Commission is misleading the European Union Council, Parliament and citizens over copyright extension.
"They that can give up essential liberty to obtain a little temporary saftey deserve neither liberty not saftey." -- Benjamin Franklin, 1759