If you want to actively costume you will also want to explore the 501st...
And a word of advise when you join a 501st forum, don't start your first post with "Where can I get a suit?" introduce yourself and if for some reason you need help finding suppliers for your suit and sorts (it's a lot easier then it used to be) your best bet is to locate the 'leaders' of your local group by PM and inquire, or take some suggestions you might pickup here or on another forum...