RE: velineon or mamba
It all depends on the price. If the RTR is in the same range as other RTRs, or only slightly higher, it might be a hot item. Top speed isn't everything, the performance and the trouble-free running of a brushless system is more than worth it if they can keep the price close to other RTRs. And not everyone has the will or the know-how to install a brushless system like the mamba or novak, it's easy for us to do but many people are mechanically inept, or for someone just getting into the hobby it might be too much. If it goes for $250. or less, it could very well set the standard for the next round of RTRs.