Nikon have released a new MAC version of their Capture 4 raw conversion software for Nikon digital SLR cameras.

Improvements in Nikon Capture v4.4.1:
An issue that caused a Type 3 error to occur and Nikon Capture 4 to unexpectedly quit when attempting to print from Nikon Capture 4.4.0 has been addressed. (Mac OS 9 only)

Website: Nikon Capture 4.4.1 (Mac)