You will love them. If you can get a male and female they will breed in the tank. The offspring will have their own color that may not resemble the parents.
Not to mention the knowledge here. Between all the fun some serious reefing is taking place.
Not all branching cyphastreas (spelling) are light like everyone loves!?
... light one nearly doing "my first polyp", the purple one was like that two hours after going in, in a week now!