if your new to reefing i would recommend getting all your chickens in a line first. A reef tank is demanding after time. May not seem like much from the get go, but adding more and more corals equals demand on the biological filter of your system. I recommend a good skimmer as well, being a tool designed for helping the water stay "clean" its something a newbie such as yourself could grow to love lol.
Ill do a quick run down on what you should be doing:
cycle your tank-tanks must be stable to support any type of life for the most part.
have all of your projected equiptment already running-this saves you from purchasing down the road and making drastic changes to a stocked tank.
Ensure that the coral you want, will grow under the light you have-until you have a light that can support the growth and health of coral, you should not purchase any corals.
heres some good starting information on starting a reef tank, or any tank for that matter.
http://www.reefkeeping.com/issues/2009-03/newbie/index.php
if you run into any questions about starting or something that happens a few weeks into your cycle, go to the general salt section and you will get a ton of response on what should be done or what to look for etc lol. Good luck