Since I only have Associated cars in my stable, I'd love to tell you that it's a great car. But being realistic, are you going to race it or just bash around? If it's just for bashing then go for it. It's a great car right out of the box. If you decide to race it later on, then you might try running it with the stock setup. I know some tracks will run a novice class for anybody in your situation. Later on if you do get really serious then the car can be upgraded with some killer hopup parts, and be a real screamer. As for the top end speed, I don't know. It all depends on what the weather is like when you run it, how well the carb is set. Other than that you should read the RC10NTC3 thread.
Go here: Rc10ntc3
Some of the best information you'll ever find on the car is right there.