speed, are you jumping both feet first, or just testing the electric on-road waters? protc3 named top of the line stuff. If your just getting into it to see if you like it. Go with the best car you can buy first, then get a mid-level lathe like the Team Cobra. Find a used esc from a respectable person. GTX, QC2, Rapida, VFS-1. Reedy makes a clip on heatsink with fan. It's a great setup that's easy to install.