Microsoft pushed out its Origami Experience 2.0 to OEMs in January, and now the new interface for Vista-based UMPCs is finally available to all in the form of a free download. It's designed to put a skin on top of many existing Vista features, and includes Picture Password, Weather, RSS, email, calendar and other widget functionality in the new Origami Now screen.
http://www.microsoft.com/downloads/details.aspx?FamilyID=b0edd346-75ba-4185-b6aa-0a49940afbde&DisplayLang=en