If you want to jump into racing competitively I'd get something like Kyosho VOne RRR, Mugen MTX-4, Team Magic G4S, Serpent 720 etc.
They offer more for racing and conform to certain standards required by the sanctioning bodies.
Now, if you're not looking to jump right into competitive racing and have a local club that has a track you can race on then the TC3 may be right for you.
Obviously with the Pro kits from Mugen, Kyosho etc. you have to buy your engine, exhaust, and radio gear seperate.