There are tons of threads about this already. Here is a link to one from the "Golden Nuggets" master thread:
here is another link to a Tag Search on Coming Out
You can also refine these searches to search for specific details that you're interested in.
This is probably one of the most talked-about yet re-asked questions that shows up on these forums. Right up there with "What about raising children in a poly family" and "How do I deal with jealousy?"