A full list of the newly added raw camera support and the new and improved lens profiles can be found on the Lightroom Journal:
Lightroom is the essential digital photography workflow solution, helping serious amateur and professional photographers quickly import, manage, enhance and showcase all their images within one application. The Photoshop Camera Raw plug-in provides fast and easy access to raw image formats produced by many leading digital cameras.
Pricing and Availability
The Lightroom 3.3 update is available as a free download for Lightroom 3 customers, and the Photoshop Camera Raw 6.3 plug-in is available as a free download for Photoshop CS5 customers. For more information and to download these updates please visit http://www.adobe.com/downloads/updates/. To download the Adobe Lens Profile Downloader 1.0 and Lens Profile http://labs.adobe.com/downloads/lensprofile_creator.html.
Newly Supported Camera Models:
Canon PowerShot G12
Canon PowerShot S95
Nikon Coolpix P7000
Panasonic Lumix DMC-GF2
Panasonic Lumix DMC-GH2
Ricoh GXR, GR LENS A12 28mm F2.5
Samsung TL350 (WB2000)