after going to the chattanooga aquarium and the new orleans aquarium in my past, i wasn't too impressed. the beluga whales and whale sharks were cool. hopefully they'll build more onto it in the future.
edit: in the aquarium's defense we did have to rush through it because my wife had to go to work (we have annual passes so we can go back whenever). the longest line was to see the stupid fake reef which is just animals you can buy at any saltwater aquarium store. people are stupid.