i am looking at changing the power heads i have in the tank and i either want to go with a wavebox or something equally powerfull. i have been looking at the waveboxes now for a while. i would really like some input on which people perfer. i am thinking if the vortech i want 2 MP40. right now i have a 215 72*24*30 and ONE very annoying dead spot with almost NO flow. any input would be nice like why one would be better or which one performs better. doesnt have to be a wavebox either can be 2 powerheads with controllers too.

thanks

carl