The pugh chart takes a while to make, but the answer is very clear when you are finished making it. How much do you really use the Pugh selection krousdb? In class the professors said time and time again...
__________________ Current Stable
GasSaver: 2000 Honda Insight Silverstone w/AC 65+mpg
Track Terror: 2002 Honda S2000 Gran Prix White- lots of mods - 28mpg
Beater: 1988 Honda Civic DX Hatback - Stripped - 30mpg
RIP: 1996 Honda Civic LX 42mpg - you will be missed
In normal driving, I'd simply reap all of the efficiency benefits. When I'm in the country with a few friends in the middle of the night hooning around, better aero simply means better top speed if gearing allows.