#10562, "RE: What to do, what to do???" In response to In response to 2
Oh, and to answer your sub question, I would go with a single 12" sub with plenty of good clean power to it. I am not familar with the Alpine X series but my personal favorites are Eclipse and JL, or if you want something that is just plain loud go with a Kicker L7.
97 RS- Runs, but never driven 2000 Subaru Outback- Daily Driver