DerekRx is absolutely right...Thursday is a much better day to do the Magic Kingdom. DCA is not a full day, and judicious use of Fast-Passes will make your trip much more enjoyable. Soaring, GRR and California Screaming are always the longest waits at DCA. At the Magic Kingdom, make a beeline for Space Mountain and get Fast-Passes. Was just there in Feb. and Space Mountain had given out ALL of it's fast passes for the entire day by noon. The stand-by time was 2 hours, and that was on a Thursday. Splash Mountain is right behind. When you go back on Friday night, make your way to the central hub and avail yourself of the fireworks show...non-coaster related I know, but it's the best they've done in many years.
...kub