I'll email you some pics of the MR2 before & after.
I wouldn't have painted the entire 2 but unfortunately it was several different shades of off-white that had started to yellow & some parts sort of resembled Super White but not really. It was a cluster of repaints from over the years as well as blatant spray over rock chips - ugh!
I am pretty sure automotive touchup uses their own paint.
You might want to check on a quart of Sherwin Williams Automotive to compare price since you're going to be using a rig to spray.
PPG has awesome quality but isn't cheap of course. I'm planning on using PPG for the refurb/repaint on the centers of the BBS RS001 3 piece rims I have for Super2. There's a place I can go to locally to get a color match on the original BBS gold & get them to put the paint into rattle cans for me
I don't have a compressor so everything I do is all rattle can.
When I repainted the engine bay in the Alltrac, I just degreased & cleaned, sanded down with 400 grit sandpaper, primed about 2-3 coats then sprayed Super Red about 2 coats and then clear coated over that.
So little of the engine bay shows that a bit of orange peel really isn't noticable in our cars even if you have a FMIC.
Believe me I am totally and completely anal retentive about paint finishes and that small bit of orange peel in Vadar's engine bay isn't even something that I can notice when looking in there.
I did the same thing in the MR2 bay & more of it shows but it looks just as good.
Be sure to treat any rust after cleaning - more than likely you will have some on the battery tray from battery acid -- that was the only rust Vadar had.