Sorry, I should have said go the the companion website to vinylengine.com .... hifiengine.com .... and download the catalog for 75-76 Sansui stuff.
.... as far as speakers go, the Advents, EPI's (3 sets now), Dynacos, Yamaha NS-625, Energy Pro-22's, Paradigm 3SE-Mini, Paradigm center channel, Wharfedales (2 pairs), B&W's, Merak's, etc. have come from thrift shops over the last 3-years or so. I've had just as much luck getting good speakers and components for that matter (my Sansui AU-777, AU-4400, Technics SU-8080, NAD, various turntables, etc.) from thrift shops as I have from sources such as craigslist. But you have to be in the right place at the right time and yes I have seen speakers that sit for a while 'age quickly' at the hands of kids, etc.
Other sources I have had moderate success with - estate sales and co-workers.