1. All US WRXs are turbocharged
2. See #1
3. Only the 2002-2003 were bugeyes
4. Sure, I guess.
5. My car has been infinitely more unreliable than most (over the life of the car I've spent enough to buy another new one off the lot), so I'm not qualified to answer this without my bitter bias.
6. You already asked this.
7. Refer to kbb.com