I will always recommend any kind of yokohama tires because i have never heard anybody have a negative remark about their tires. As for rims/wheels.. I like SSR wheels, they are expensive but they are some of the best on the market because most of their wheels are "lightweight" (under 20 pounds). Find them at
www.tirerack.com also when they talk about rotating mass, they are absolutely correct. Your stock pulley on your 7M weighs 11 pounds.. the Unorthodox Racing pulley weighs about a pound. It will run about $200 from a store.. look for it on ebay. But reducing any weight on wheels or tires will make huge differences. Just remember that if you change your rim size that you might want to get your speedometer readjusted.. actually I'm not sure if you have to on Supras. Be sure to find out though.