TheGuys over at MSDN Channel9 have a bunch of video interviews with various people at Microsoft. One of the coolest interviews is this great video (note, the link works in Internet Explorer and Mozilla Firefox but not Opera. Also, you need the Windows Media Player or compatible to view it) of something Microsoft's Research is working on called the Media Browser. It's kind of a visual look at a database of photos or videos which allows different views, including 3D stacking of images.
It's difficult to describe what it does, which is why they did a video of it. So if you have about eight minutes and a broadband connection, click on the link above and watch what may be the next generation of explorer/finder in Windows Longhorn.
