He's got a lot going for him, in a lot of ways. He may do great with his recovery, be better than ever, and you might have a wonderful future with him. It sounds like he's motivated.
Still, as the others have pointed out, early sobriety, even when it's going "well", can be difficult for the alcoholic and for those nearest and dearest. I second the idea of going to Al-Anon--and some AA meetings too, while you're at it. It's best if you have some idea of what can be involved in a relationship like this.
I don't want to discourage you too much, because many people do achieve good, lasting sobriety. It's just that this is a difficult time and there doesn't seem to be any reason to rush things.
Best of luck! I was married for a long time to a guy who has now been sober 31 years, and he is still my closest friend. I'm in AA myself, now--sober two and a half years, and I'm enjoying my life.