Nov. 6th 2010 Update: Re-scanned the image on an Epson v750 (original was done on my old Epson 4990) with much better results. I had felt for a long time now that my original scan did not do the transparency justice and am extremely pleased with the new results.
El Capitan. Yosemite National Park, California. Fuji Velvia 4x5 Sheet Film.