I use those adapters as well with new PROMs.Think MOATES is no longer in business.
Been looking at programmers on eBay but have yet to find one that can read/program both a 27C256 UVProm and a 2816 EEProm (in BCM). Would like to know if you find one.
I know just how you feel Ronnie. While I drive one Reatta almost every day it still brings a special feeling when I do the seasonal change and bring out the Red or like right now here in Texas when I drive the vert for the first time in months...