Well, I've been planning this for a while, and it's starting to finally get off the ground. This 150 was originally going to be the home of a hippo tang that was outgrowing my 90, but unfortunately I lost the fish during a move. However, the wheels were set in motion and I determined that this was going to be the tank that I do right.
First, a look at the tank. It is 5 x 2 x 2, eurobraced, with holes in the bracing in each corner for returns. Black backed, and glass. Internal overflow has two 1.5 inch bulkheads. Here it is on the floor of my garage:
Don't worry, there's nothing heavy in those boxes. Got the tank through mparkis.com, he does a good job getting custom stuff for great prices.
Anyways, I'm using one of the bulkheads to flow into the sump, and another for the closed loop. I figure that I'm going to split the sump return to the two rear corner holes. The closed loop is going to house an Ocean's Motion 4 way, with two of the holes plugged, and the other two leading to returns on the front corner of the tank. That way I get some good flow going across the front.