Need an 8 3/4 and Discs

It doesnt need to be for an A-Body, and it doesnt need to be Posi, although I'd prefer it... In the Tampa Bay area, up to Orlando, and as far south as Naples, but I need one!!! Drum to drum, LMK!!!! PLZ! Also looking for a disc brake conversion for a 69 Dart, lmk ppl, im not afraid of prices, but I need to know! Thanks