Al-Anon and a therapist sound great for you.
I'd think twice, though, about the notion of "bringing him once in a while." Your therapist is not going to be in a position to treat him. And "couples therapy" isn't an option as long as he's drinking. It might be helpful once you are both into solid recovery (if that ever happens). You COULD tell him that therapy is helping you (if it is) and he might be motivated (if he's serious about wanting to quit drinking) to go into his own therapy with an addiction specialist. But AA is often just as effective and it's free. There's real power in being surrounded by recovering alcoholics who are ready to call you on your BS.
For now, I'd suggest you concentrate on yourself and see what he does. Not what he SAYS, but what he DOES.