I have a brand new Aquamaxx C0-1 that has never seen water. Bought for my 55 build, but changed to a 120. I am toying with selling. These things are pretty hard to get right now but is marginal for a 120 that will end up heavy loaded down the road so I am on the fence. There is a good review section on this skimmer in the RC Forum.
I know it is very close to what you could buy for online if you could get one, but $250 is what I would be looking for.