look im a girl and have a 200g as well... i keep a flowerhorn, 1 jack dempsey, 1 albino oscar, 1 tiger oscar, 1 common pleco
plus a red tailed shark and a couple convicts..
ill go with the bigger agressive cichlids im sure she will enjoy them they each one have great personalities.
Go with bichirs for the bottom, but add the Endlis to the list, also a fire eel. Get a couple tiger oscar and see if she likes Aro's (a black or Silver, just get one). Oh, and get a sump or 2-3 large canister filters also.