RE: Which buggy?
Kyosho's RTRs are just as bad as Ofna's [:@].
If you get the ravager it is a good buggy and should beat those trucks you race against easy but it has nothing against a race buggy. You could get the Futaba S3305 ($35 each) servo for steering and probably using it on throttle/brake is a good idea too sense you have quad brakes on a ravager. I use this servo for steering on my buggy that I race with and its a very strong and reliable servo that will last you a pleanty long time dispite its price. You don't NEED to upgrade the radio but its deffinatly a good idea to... the Futaba 2PL great for what you'll be using the buggy for and its only $80. You might even be able to find a 2PL that comes with the S3305 servo.