Have a great time at Emeril's! The food quality is outstanding, and there is something for everyone - the adventurous as well as the "plain meat and potatoes" crowd! Portions are large enough to share for most items (i.e. of the kids aren't big eaters and can agree on an entree), and the wait staff happily complies. You can look at the menus for all his restaurants on his website.
I've been there twice and dress is everything from casual to quite dressy. I believe there's a no tank tops, flip-flops, etc. rule but some jeans were present as well as khakis, shorts, etc.