TC4 or even the Hpi Sprint 2. Why not take advantage of Towerhobbies.com. They have the "easy pay" option for the Hpi cars and I use them all the time to get new stuff. Most can't afford to shell out $200-300 at a time. But with the "easy pay" you make three monthly payments. Good thing is, you get the car/truck once you make the first payment. I just ordered a Sprint 2 drifter from them. Once that's paid off I was looking to upgrade the motor/esc to a Castle unit, probably the 3800kv system. I've had Castle Creations Mamba systems before and love there performance as well as there customer support, should you eveer need it. Because of that I wouldn't go with anything else. Just my $.02, but worth looking into.
www.towerhobbies.com