Yes, I remember Andy Martello (same last name as Willie Martello, but no relation to him) when Andy was writing the book. He was a club member back then, and sold his book to a lot of club members -- maybe even had a dealer table at the convention one year. I have his autographed copy, but it's been years since I read it.

You're probably already aware, but one of the MOGH display exhibits at Spinetti's is of the El Rey Casino. It's in the back though, just behind the curtain, so you have to know where to look.

It's the 5th one down in this list of all the MOGH exhibits around Las Vegas:
http://museumofgaminghistory.org/mogh.php?p=exhibits