Exciting stuff, you're on the way, its all fun. If you haven't got, one it's worth buying a planisphere and a copy of Astronomy 2008, that will give you an idea of what's visible at any given time of night/month of year. Astronomy 2008 has useful planetary information including rise and setting times. For satellite information go to the
heavens above site, you can identify the satellite you saw and get predictions for future passes.