Yes, the more the better. It keeps your wife from finding your girlfriends earrings in the car.
men aren't bothered by blind spots and neither are dangerous women.
I doubt the lt1 survives. there would be no reason to buy a new one.
Whatever sound system they put in there for the top models such as 2SS and ZL1/Z28, we definitely need a dedicated sub in the trunk. Bose have those spare tire mounted stealth sub enclosures and had them in my Audi back in the day. They work really well.