As I can't try one of these models first hand i have to rely on reviews and opinions on the internet.
Personally I think the RB5 is not quite as evolved as the cars from Losi and AE and I'm not yet capable of setting up such race level cars and therefore I only want to decide between the Losi or the B4.
Besides the Kyosho would be a little more expensive (if that counts).
Also the Lazer SP is quite a evolution and I expect something similar to happen to the RB5.
So no voice for the B4 yet...
Please give me a little more input
