I have them ordered too, but Champ said to me today that the gearbox case still isn't released, and Tamiya don't yet have a release date for them
Am well nervous driving the 502 in the meantime!
It's lovely to drive mind, so smooth! One thing I've noticed is there is more camber change under cornering than the 511, I assume due to camber link heights, does anyone have a camber setting that works well? mine seems good anyway but just in case I am missing a trick!