My opinion would be since the color has already been changed if your gonna blast it go with any color you like, but if your just gonna touch it up or paint over stick with the current color.
I didn't catch that fact until I reread his first post.
If she was originally red, and now she's old gold, I'd say go for whatever color tickles your fancy.
If you are thinking resale (even if a possibility) paint under the hood body color. Too many rattle can flat stripped jobs that really bring down a resale unless it's a crawler or project.
Also, if you're thinking you might sell it, start a build thread of all the body work and other details you put into it...really helps with seeing what was hiding, what was repaired and how much time went into it.