Included is support for: Nikon D7000, D3100 and P7000, Canon's G12 and S95, Samsung's NX100 and TL350 (WB2000), Panasonic's GH2
So all of us D7000 early adopters can go to town, it's a release candidate so it's pretty well tested but might still have some bugs. It's available for download or you can hope for the final release sometime in the very near future!
Camera Raw download: http://labs.adobe.com/technologies/cameraraw6-3/
Lightroom Download: http://labs.adobe.com/downloads/lightroom3-3.html
Originally seen in: http://www.dpreview.com/news/1010/10102503adobecameraraw.asp