Yes they do work i have been useing them for a bit now on my server and the pnly issue's that i have come by is that a few bosses are buggy but only because of there attacks easy fix is for the bosses with large spell attacks take em away other then that it works fine they talk and all
Moon++ (Now merged with NCDB) has scripts to make several instances and bosses scripted. This means; giving them some brain (making them work like in Blizzlike).