Holy cow talk about resurecting an old thread there Johnny! I have Tunze streams running in all of my large tanks. I have not tried the vortec so I can't comment on them although I may try a couple in the future. For the Tunze I would not recommend the hanging bracket - go with the magnets - a lot more stable and you can basically put them where ever you can get a flat surface to make the 2 magnets connect through the tank wall. From my research I think that the one thing the Tunze's have over the Vortec is the ability to swing the actual powerhead once it is mounted on the magnet attachment to point in different directions as the mount allows the powerhead to rotate whereas with the vortec you can only point it in one direction once it is mounted. Of course there is a lot more powerhead actually inside the tank but in my mind you still have the actual bulk it is just that half is inside and half is outside of the actual tank with the Vortec.
With that said if I were recommending a Tunze powerhead I would have to recommend the 6100's over the 6200's. I have had 3 of the 6200's sieze up on me. Tunze is excellent about replacing stuff but considering the distance I live from LFS my preference is now the 6100 just for dependability.
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