If you start playing with the aspect ratios on your tires, you can throw off the gearing, the speedo, and do NOTHING for your fuel economy.
I would stick with the 205s. It's a good combination of all you are looking for.
98 Silver Frost SVT
97 BMW 540I Sport, six speed
"Blue is for sky, black is for soil, and white is for simplicity, purity and hope for the future"
"A coveted car should never stunt your life, but should make it more rich and interesting."
| 
