Whew! Relax, and ask only 17 questions per post....
IF the motor rotates, its probably salvagable.
THe body parts and paint, thats just for show....
The supercharger or n/a is up to you. I did the S-trim on a stock block and loved it. My friends added the entire Motorsport catalog to their motors, and we made the same hp... As for emissions, I am not sure on what is allowed in CA.
For a suspension, make a plan and execute it. Look WAAAAY back in this forum. I posted some basic to advanced mods.