I rate it high as far as my opinion goes. I have two of them and if I needed another skimmer it would be a CSS once again.
The above mentrioned problems have all been straightened out. The only real problem was the included instructions. Coralife now has a revised setup install sheet on their webiste and it corrects any problems. Even if setup worng, they were never a skimmer that required constant fiddling with. If you kept your bubbles in the reactor column right, they stayed there, and now with the new instal instructions its trouble free and fiddle free. Mine removes wet or dry depends n what I want and it removes it efficiently. Its quiet, no micro bubbles introduced into the tank. If I can get a better skimmer for a hundred or two bucks more, I just do not know how it would improve my water any better as the CSS does the job, all without an over inflated price tag or a name some folks would die to have the opportunity to claim as a product they own.