Help Stocking Mixed Reef 240 Gallon Tank

[offshored]

Hey Guys, my tank is just about ready so I'm getting the stocking fever...

Looking at doing a mixed reef, with high flow and about 300 lbs of live rock to start off with.

Fish I'm currently moving over to the 240 are:
Skeletor Moray Eel
Yellow Bellied Blue Tang
Yellow Tang
Oc. Clown
Black Ice Clown

I'm about to put a Purple Tang into QT when we get back from Vegas next week, with the idea of introducing the Yellow and Purple Tangs to the 240 at the same time.

After that I plan on putting an Achilles Tang into the 55 gallon tank for it's QT period.

Apart from that I have no idea what else to add to the tank. I don't really want anything too aggressive, already gave away a Niger Trigger that I loved, since I saw him starting to show signs of aggression, and wiping out my shrimp popular (minus the eels best friend Fire Shrimp). The Eel is already 14" and hasn't shown one ounce of aggression, so I'm not too worried about it.

Thought about maybe a Blonde Naso Tang, but feel with the Eel, Achilles, Purple, Yellow Bellied Blue and Yellow Tangs that I might already have too many fish that get bigger.

Just want a nice and diverse mix of small, medium and large fish with various activity levels and areas of the tank they like to hang out in. Other showpiece fish as fine as well, just don't want to spend over $300 for one fish.

Any thoughts or comments would really be welcomed

 

[CMS!]

You should get a smaller school of fish like chromis which come in different colors.

 

[offshored]

Don't they get aggressive after a while?

Had to get rid of a YT Damsel after he chased the yellow bellied blue tang and black ice clown all around the after for 2 days.

Was also thinking, could I add another set of clowns? Like a black variant pair along with my current pair.

 

[offshored]

Well the Purple is in QT and I have all the rock curing and am making ~ 300 gallons of RODI water...

I've now decided I want a Mimic Tang as well...

So for tangs I'd have:
Purple
Yellow
Yellow Bellied Blue
Achilles
Mimic

Hope that isn't too much for an 8 foot 240. I'm going to try to get pretty inventive with the rock work, to allow a lot of rock to be in the tank and have enough swimming lanes.

Anyone have any good inspiration for rock work for a tang dominated tank?