Sounds like he wants to burn (write, blow, whatever the term is) EPROMs.
I've often had the feeling I should get the equipment and do my own as well, but I always end up just grabbing a set of ROMs off of eBay when I need them.
Bit of a learning curve, and finding the right hardware and chips just doesn't seem like fun to me, as I don't think I'd use it enough to make it worthwhile.
