Longhorn Preview
I just came across this review and the screen shots that they shown I have never seen before, so I thought I would share this with everyone:
http://www.extremetech.com/slideshow/0,2394,l=&s=25501&a=126556,00.asp
I think the new alt-tab looks really cool.....
http://www.extremetech.com/slideshow_viewer/0,2393,l=&s=25501&a=126556&po=6,00.asp