Oh I'm sorry I didn't get back to this thread sooner. I've been a bit "lost" with this forum because it's so packed with information everywhere

I usually look at the photo sections because there are some spectacular photos and also I'm trying to get ideas for the layout for my new tank.
I have 3 black moors, 1 bubble eye, 1 fan tail, and an algae eater (regular pl*co) - iffy subject with the algae eater because someone told me that when they mature they have a real taste for protein and might start sucking the slime off my fishes - in which case I'll definitely get rid of him...
Back to my filter question. I checked my pet stores and I really like the types that hang over or internal filters instead of the canisters. I saw the biowheel, fluval and also the aqua clear types and the aqua clear is my current choice. I've also read a lot of good reviews about it from users.
I want to thank people again for the respone