The hardest I would run at Cape Fear would be Mediums like everyone has said, but on those 100+ days....it might be worth a set of hards just to try them out. I have a new set in my pit box....have yet found a temp to run them though. They are more like knobby hockey pucks on rims. lol
Super Softs are awesome, but they wear really fast....so for our track Peyton I would stick to soft and medium compound for sure.