Here is the link:
http://labs.adobe.com/technologies/photoshopcs6/

There is a hands on preview at PC Mag
http://www.pcmag.com/article2/0,2817,2401944,00.asp

There is also something that was published at DPreview.
http://www.dpreview.com/articles/2601746315/photoshop-cs6-beta-new-features-for-photographers

Thoughts?

James