Latest Adobe upgrade - The Camera Raw 5.2 and DNG Converter 5.2 are now available on Adobe.com.(For Photoshop CS4 customers can choose the 'Updates...' option from the Help menu) This release includes additional features and new camera support. Lightroom will be updated to version 2.2 in December to provide the equivalent camera support.
http://blogs.adobe.com/lightroomjournal/
New camera support includes Canon EOS 5D Mark II and Canon PowerShot G10
Steve
