Well, good news, we were wrong... Bigsby do a lefthanded trem system, I've got a catalouge from Pincott's (an english guitar parts supplier), which also came with an "ALL PARTS" catalouge (which is American), and in the price listing, there are lefty trem systems/ tail pieces etc etc.
edit: http://www.allparts.com , happy hunting
[Edited by educatedfilm on 05-24-2002 at 05:05 AM]