What's the difference between these skimmers???

[aqua_carmen]

Octopus NW-200 Needle-Wheel
Protein Skimmer

and

Octopus VENTU-100 Shredder
Protein Skimmer

What's the difference between the 2 and which one would be better for a mixed reef tank?

 

[skimmy]

200 nw all the way,
the other model is a regular post pump venturi skimmer, not as good as needle wheel