Nikon today has updated Capture NX to v1.0.1. The new version of Nikon's image editing and NEF processing application for Windows and Mac adds support for D80 NEF files and improves program functionality in various areas. As with v1.0 for Mac, v1.0.1 of Capture NX is not a Universal Binary.
Click on a link below to download the appropriate version for your platform. The downloads are the full program, not updaters, and serve as trial versions as well.