I'll second the Avenue Pub trip for anyone who ventures this way in the future.
As for local brews, NOLA Brewing is the only brewery actually in New Orleans. They make quality beer and they're great people.
Abita is decent stuff, I usually like their Select beers more than the year-rounds.
From Baton Rouge, we have Tin Roof and their 2 brews are tastey.
In Bayou Teche, we have Bayou Teche (LA 31) and I'm iffy on their stuff, but they're great people too.
There are a few more in the area getting started, with one (40 Arpent in Chalmette) getting ramped up for March of 2012. (Their signature brew will be a Red Bean Ale made with red beans. I'm pretty excited about this one.)