I use the CameraFusion sliding back on my 4x5's often, with my Nikons.
http://www.camerafusion.com/

Here is a sample image from my Velostigmat 12" lens on a Cambo:
http://hemingway.cs.washington.edu/p...pano/velo.html

I use my D5000 and my D3 for imagers. Works well for my purposes....

I just got a quote on a 60mm sq. CCD sensor for a research project: $24000 each in small quantities. 15 micron pixels, monochrome. The vendor has one that is 80mm square; they wouldn't even quote a price!