Microsoft SharePoint Designer Team Blog : SharePoint 2010 List View Blog Series: Part 1 – Introduction to the new List View
The above image is a sneak preview of 2010. The main UI change is the ribbon which you can't really get away from. The main structure of a SharePoint UI from the user view is essentially the same from 2007 to 2010. This is very much an evolutionary release with enhancements in the back-end more than front end changes.
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