If your looking to dabble i would go losi 8 2.0 RTR truggy.
Other wise
Losi 8 2.0 truggy
engine: RB c6 USA spec (in truggy or buggy if your feeling ballsy) buggy RB ws9
Radio: in order fav on:1 futaba 4pk 2 futaba 3pk 3 ko propo helios
Servos:In truggy i like the hitechs (more trq) in buggy i like the futaba BLS
Starter box: Ofna truggy Box
Tires: I would get your self 2-3 new sets of what is running good at your track
Beverage: Sam adams
And have fun