The only thing you need right now is patience and a good book. Seriously, I can almost hear the enthusiasm in your voice.
Try to get Robert Fenner's "Conscientious marine Aquarist" book to read. It's a bit old now, so scratch the part about cycling with fish. Look thru our articles at this site for a bit to get your bearings also.
Ya gotta go slow and learn a thing or two before you buy ANYTHING else. Your questions tell me you haven't the slightest understanding of saltwater aquaria yet. And belive me, I completely understand your enthusiasm, but it will get you into trouble or broke and could casue you to not pursue the hobby.
Get right and do a lot of reading. Even your future questions will be more focused and benefit you (and us
Oh yeah, Welcome to AA!!