Canister is probably best. I agree with targaboy...the Fluvals are good filters. If you prefer a hang on back power filter, the Emperor is the best one. A 280 would probably do it, but I'd go ahead and get the 400. On the subject of the Fluvals, I have one of the older ones...I guess it's about 8 years old. Still runs like a new one and the only times it's been shut down is for cleaning.
Life is not measured by the number of breaths we take, but by the moments that take our breath away.