Here is a good place to start:
http://www.usfencing.org/sectionsDivisions.jsp
It may be a good idea to hold off on buying your gear until you really get into it. Fencing really isn't all that similar to Zorro or Starwars, but it's still a lot of fun.

In the meantime, feel free to use the search function as a first resource. Odds are, a lot of questions you want to ask have already been asked, though feel free to elaborate if you need something more specific. Otherwise, welcome to the boards, and to the sport.
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If your hearts not in it, why bother? -Yours truly
Woman was created for our destruction, and it is from her we inherit all our miseries. - Aramis, from The Three Musketeers
All human wisdom is summed up in two words. Wait and Hope.
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