got a load of old 12"'s for sale on Ebay, Lots of Ram, Mampi Swift, Full Cycle, Bad Company etc etc... (Fully listed in ebay advert).
http://cgi.ebay.co.uk/ws/eBayISAPI....8962&ssPageName=STRK:MESELX:IT#ht_3264wt_1165
http://cgi.ebay.co.uk/ws/eBayISAPI....8962&ssPageName=STRK:MESELX:IT#ht_3264wt_1165