That skimmer will be over kill, and probably it wont even work on a tank that size, the Regal 250SSS or the 250INT, will be and excellent choice, not only because of the skimming power, also for the Vario's DC pump, the controller that is also Neptune Ready if you thinking on getting one, also include a Float switch, that will prevent overflowing.
here is a link for you to see how nice this skimmers are