My opinion only.
Gandini tires work very well on permanent tracks with some rubber/foam build up. Nitro shoes work well on parking lot tracks and the GQ tires believe it or not work very well. If you hit stuff they will all chunk they are foam for C#@ sake.
Wallace Motorsports-Team Toso-WRC
POWER MASTER Fuel, Hobby People, SANWA
Protoform Bodies, Avid Bearings