i KNOW THIS IS A TOPIC THAT HAS BEEN COVERED HERE BEFORE, BUT NOT FOR SOME TIME. I AM GETTTING READY TO CHUCK THE RUNFLATS ON MY 05 SC430 AND REPLACE THEM WITH NON RUNFLATS. IT SEEMS MOST PEOPLE ARE VERY HAPPY WITH THE MICHELIN PILOT SPORT A/S. STILL TRUE? IS THERE A BETTER REPLACEMENT BALANCING COMFORT AND PERFORMANCE? IS THERE ANYWHERE TO GET A COMPACT SPARE FOR THE CAR WITHOUT HAVING TO BUY THE $700 KIT FROM LEXUS?