I am about to use both in a cube tank (93g). I have 1 MP40 (newest gen one), and I actually just ordered a maxspect Gyre XF350 to add to the tank. It should be here fri. I guess it really depends on your rockscape to. I have a very round rock shape to my tank so I have trouble on one side getting flow.I guess what I'm looking for is best bang for my buck, and ability to control thru apex. I'd rather have wavemakers than a direct powerhead.