sicce pumps any good?

I've read the sticky, but don't quite understand it about the impeller starting in the right direction. The reason I ask is because I'm deciding between the Octopus extreme EXT-200 or the octopus DNWB-200. Whats the difference besides the pump ahttp://www.saltysupply.com/Reef-Octopus-Extreme-Series-EXT-200-p/oc1045.htmd which should i go for? thank you !!




DNWB-200 http://www.saltysupply.com/Reef-Octopus-DNWB-200-Protein-Skimmer-p/oc1025.htm

EXT-200 http://www.saltysupply.com/Reef-Octopus-Extreme-Series-EXT-200-p/oc1045.htm

 

Sicce are excellent pumps

 

great, now the other question. Whats the advantage in having an insump skimmer vs an external?

 

Space, pump efficiency. Skimmer selection.

 

+potential mess