It's marineland not fluval that makes the emp.400 But either way I would go with the AC110 it has a better bio capacity and a flowrate of 500 GPH as opposed to 400 with the emp.
Also you should still be able to get AC110 from Dr. Foster and smith for $45.
there's a thread about them at this price. It's crazy cheep for one.
I saw that thread before but had forgot about it, Thanks for the link. Should I do the 110, or two 70's. I know that Africans are not heavy waste producers, just wondering?