need help fast, dont know much bout nitro cars but i bought my son a losi speed nt and it woulnt work, it ran but tranny all messed up. anyways, it was under warranty and they wanted to exchange my car for a new one but they didnt have anymore and that car is discontinued. so they offered me this,either a traxxis rustler, a losi aftershock, or i could pay $50 dollars and get a losi T ten. i paid $299 for speed nt. so please tell me what to do. they could fix speed nt but is that the smart thing to do? they want to know in 2 days what i want so please let me know asap. thank you