Nikon releases firmware tweaks for D80
It should behave better when directly connected to your system.
From Nikon's release notes on firmware version 1.10:
- The product will be "Certified for Windows Vista"
- Support for the new USB Media Transfer Protocol (MTP) has been added. The PTP option in the setup menu will be modified to MTP/PTP. The icon will also be modified.
- The effects of noise reduction processing performed at shutter speeds of 1 - 8s with shutter speed set to "bulb," when ON is selected for Long Exp. NR in the shooting menu, have been approved.