There are many different types of cichlids, so general info is difficult. Discus and Angelfish(freshwater) are cichlids, and I wouldn't say they act like damsels. You mentioned Oscars, which are South American cichlids.
I'm guessing you want info on
African Cichlids, most likely Malawi and Tanganyikan. Even between these two lakes there are so many different types of behaviors, that generalizations are hard to make.
Do you have any specific types of fish you are interested in? List them here and I'll tell you what I can.
Here's one of my personal favorites:
Justin