They guys over at www.practicalmachinist.com are always looking for more SouthBends.  They have  two different "For Sale" forums, one for pretty much any type of machinery, and a different one for "Antique".  Looking at yours, I don't quite think it is as antique as what they normally deal with, so if you post it in the general "For Sale" you should be good.  If you'd rather not sign up there with user account, let me know and I could post if for you with your info.

Oh, and bed length is "center to center" usually, head stock to tailstock.  If it has any nasty nicks in the ways, escpecially up within 12" of the headstock , that would be good to already know.  Pretty much everything else can be told via digital pics.

Silas
engineering-at-fsifab.com
PractMach User "ElMustachio"