Which Protein Skimmer

[JasonsPlecosCichlids]

Have a 150 gallon saltwater tank now and looking to get a protein skimmer but not sure which one to get. I looked at the reviews, some say yes, some say no. So I'm just going to ask you all. Here is what I come up with:

http://cgi.ebay.com/REEF-OCTOPUS-HA...016?pt=LH_DefaultDomain_0&hash=item3f01417668

http://cgi.ebay.com/Marineland-SeaC...233?pt=LH_DefaultDomain_0&hash=item5d2c4ff589

http://cgi.ebay.com/AQUARIUM-FISH-T...551?pt=LH_DefaultDomain_0&hash=item255f77d7ff

Or any other skimmers I should look at let me know.

Currently running 3 Emperor 400's

Thanks

 

[JasonsPlecosCichlids]

And this one:

http://cgi.ebay.com/Aqua-Medic-Turb...942?pt=LH_DefaultDomain_0&hash=item5ad2d4ff1e