I downloaded the dev preview last night (from UK servers in 20 minutes, as the US servers were totally bogged down- why the heck wouldn't Windows torrent a 4GB download released to the public - or develop their own torrenting tech? gah!)
Here's a video of what Windows 8 looks like (on the Own Tablet):
For a touch device- pretty cool. Looking forward to installing it on my home desktop (I've got a 22" Dell touchscreen I've been looking to get some use out of) later today.