Apple today released Digital Camera Raw Compatibility Update 2.4 which extends RAW file compatibility for Aperture 2 and iPhoto 08 for the following cameras:
• Canon EOS 5D Mark II
• Canon PowerShot G10
• Pentax K2000/K-m
• Leaf AFi-II 6
• Leaf AFi-II 7
• Leaf Aptus-II 6
• Leaf Aptus-II 7
• Leica M8.2
Digital Camera Raw Compatibility Update 2.4 also addresses issues related to specific cameras and overall stability.
More info and download link here.