Note that I did not say that there were not any problems, just that there has not been a ton of problems. Some of the delays have been caused by Flash updates for the radios (multiple vehicles) and also some parts shortages (i.e. PDC modules). The current KZ ratio of all vehicles built to date is more than 50%. About 25% are currently in JS, but that includes current builds. The amount of early builds that are still "stuck" is not all that high percentage-wise.