FYI, this site has a good listing of the heritage of each of the SD26s. The notes at the bottom of the page are not up to date and may not be 100% accurate (its an ATSF site after all...), but do provide a good picture of the disposition of most of the units.
http://www.qstation.org/atsf/atsfsd24.html
- Stephen
http://www.qstation.org/atsf/atsfsd24.html
- Stephen