I'm with you on the Dyno-aided tune. Would you say added horsepower is addictive?
My SHO fits the bill as a sleeper. I think about half of my business contacts would think I was nuts If they knew what was going on in my brain plotting additions to vehicle performance.
Pictures are on the way. Thinking of blacking out the wheels, but that would give a pretty aggressive appearance, possibly removing some stealth. Tempted though; think it would look pretty good.