These are the cars I bought.
Traxxas Rustler VXL
http://traxxas.com/products/models/e...3707rustlervxl
Traxxas Stampede VXL 4X4
http://traxxas.com/products/models/e...stampede4x4vxl
I am currently using 8.4 V 4200Mah batteries and the optional gear which comes in the box with the car. I really dont see much need to run the big LiPo batteries for 60 to 70 MPH speeds, at least not at the moment anyway.