The TC4 is an awesome car...first time i drove it (carpet) it didn't do to well. But on ashlat this car is DIALED. I'm sure the tc4 is very fast on carpet, iv'e seen it myself. But the tc4 is a great car to kick off you electric career. It has many hop-ups you can get, not to mention the BMI and FT conversion will be a great investment. But i like the tub chassis due to it's durabilty.
I agree with Mr. Shookie the novak GTX is a great esc at a great cost. As for servos i really love my ko 2343, very strong servo. Trust me if you get the tc4 ans start investing in high end electronics now you won't regret it in the future.
The pro4 is an awesome car as well...it is one of the best out of the box cars out there...not to mention one of the cheapest cars out there, you'll probably only find the pro4 and the tc4 right under $300. Like I said whatever car you pick it will be fine. HPI and Team Associated have been known to be user friendly to those not as experinced.
Hope this helps,