ok here is my revised wish list (even though i really want either a clown or sohal but im gonna listen to you guys)

Currently have:
Chocolate mimic
Yellow

Want to buy:
Powder brown
Sailfin
Purple


thoughts and suggestions?

The purple will likely fight with the yellow (same body shape). On the plus side, since your yellow is already in the tank, and the purplbe is usually more aggressive, that could balance out. Probably better than adding a YT to a PT. However, be forewarned that adding tangs is a hit or miss scenario and be prepared to try to separate them if the fighting gets too bad.