i'm in your same boat bro, i'm 18 turning 19 in may and have been researching AS for a couple years, though i'm definitely waiting till i'm at least 23-24 to start AS, have you read the thread about taking steroids before you r 24, if not it's here
http://forums.steroid.com/showthread.php?t=15197
it's a really good read and showed me alot