Apple has posted an update bringing compatibility with several digital cameras' RAW mode.

Digital Camera Raw Compatibility Update 2.0 (2.7MB)

This update extends RAW file compatibility for Aperture 2 and iPhoto ’08 for the following cameras:

Hasselblad CFV-16
Hasselblad H3D-31
Hasselblad H3D-31II
Leaf Aptus 54S
Leaf Aptus 65S
Nikon D60
Olympus E-3
Pentax *ist DL2
Pentax *ist DS2
Pentax K100D Super
Sony DSLR-A200
Sony DSLR-A350

The update is available either through the Software Update utility or from Apple's support web site [1].