Maxi-Jets are supposed to be pretty good if not one of the best. I have an AquaClear, and its ok also. Stay away from the Penguin if you can. The pump is good, but the one suction cup that it comes with attaches to the side of the PH and the PH hangs crooked, the bottom of the PH rides up against the glass and is loud. Stay away from the Rio pumps, I have heard that these are not to reliable.
FYI, for a reef tank, you should have 20 - 25x flow... :yes: