Apple released Camera Raw Compatibility Update 2.7 late on Wednesday for iPhoto 08, iPhoto 09 and Aperture 2. The update added support for Raw images for new cameras from Canon and Nikon.
The update added support for the Canon EOS-1D Mark IV, Canon EOS 7D, Canon PowerShot G11, Nikon D3S, Nikon D300S, and Nikon D3000. The update is available via Apple's Software Update application.