HairlessPotter
Aquarium Advice FINatic
And, push comes to shove, you can always add another one down the road. I never saw the need for one, and you'll see why once you get it set up. It's very hard to explain, but it pushes and pulls water at the same time, so the whole tank is getting flow. Really amazing for such a simple little thing.
Exactly what I was thinking. Plus I like the look of the water swaying back and forth, especially with torches, nems etc.