rabbut
I don't bite, all that often...
I have no expreience with those skimmers, but the rest of that brand's gear is great 

Don't forget their ability to send the tank live giving electric shocks to the aquarist.And when the Rio pumps fail they will apparently wipe out the tank. Something they supposidely do regularly...
All the best
Rabbut(There is a great note on them somewhere on WWM IIRC)
The general advice on rio pumps is to avoid them like the plague.
adding clowns first may not be the best idea if you want other less aggressive fish. They will guard their turf once they are settled