RCCA did a review on the top buggys

The HB's D4 WCE, B44, Kyosho lazer, and the 501X

I cant find the link right now, but I know the kyosho won 1st, HB's in second, B44 in 3rd, and tamiya took last!

I do also remember that they said the HB's D4 was the ONLY car not to break parts during testing... I vote HB's, but im a HB's driver, so I may be biased