I'm with Brian on the Milwaukee, for slightly different reasons. To me, reviving a comapny whose structure pretty much exists today is pointless, since modern economics would never allow them to survive. But a company that was physically removed from the map in many cases qualifies for potential revival. So my vote goes to the pre-PXT abandonment Milwaukee. They nearly made it past the bad times of the 70s, and if they'd been managed better, would have been more sucessful.