First decide what class you want to run.
Look at what is popular in your area, it will mean more parts support and set-up help.
Then buy best you can afford, better than buying cheap for 3 months and then buying another kit.
Buy 'super fast' it can always be slowed down, the inverse is not always possible.
RC America - X-Ray - ORCA - EA Motorsorts - Sweep Racing Tires - TQ Wire - ProOne Racing Tires -
LONG LIVE OPEN MODIFIED