ran xxxt for many years in racing . ran brushed .it was ok now when brushless hit. the xxxt was reborn .I liked the dt diff , a few rpm add ons..F a arms cow pusher..lol
or you can go with a ko propo. VFS 1 or 2.. now theres some cash but 3100 amps..I have 1 in my 1/10 scale drag car with a 2 turn tops motor ..100mph beast..
http://kopropo.com/america/escs/vfs-1-bmc/