75 gal. choices

i have a 75 gallon currently with what my sig says. My favorite types of SA cichlids are the Geophagus i have had, pellagrni, steindachneri, and juruapri ( spelling ) i would like to know what other types i could put in. i would be getting rid of the current stocking, i like bio types, so a harem would be nice. thank you for your info and knowledge.
Ben

i have thought of the orange head, the only problem is finding them, and at a decent price. i have also looked into surinamensis, there down fall is that every one say that 9 times out of ten its not a surinamensis its a altifrons, and the altifrons get to big to have 3-5. ahhhhh i need a bigger tank.

i might have to buy them. i love aqua bid