i thought aquaponics was cool but then i found barrelponics... aquaponics in 55gal drums... ie aquaponics on the cheap... i'm currently in the process of building a barrelponics system... there is a nice yahoo group on it with good info... probably going to keep it full of veggies as i have other systems for my other plants... i look at it as training for the eventual gorilla aquaponics pond in the hills