I am looking for a lightweight trainer/racer. I have forefoot pain from time to time. I have low arches. I weigh around 132. Train about 50-60 mpw. I am mostly concerned about my forefoot. I need protection there. Plus I am looking for a shoe I can race in with that protection. Any help/comments would be appreciated. I currently am training in Addias Nova's. I have very little pain in my forefoot wearing these but they are a bit bulky especially trying to race in them. I am looking at a pair of New Balance 900's. Has anyone tried these shoes?