Okay, fresh from the 'wish list' style thread where Mk2 e/f were mentioned, and wanting a bunch of Air Con Mk2s myself (but not expecting a manufacturer to actually make a new set until I've sorted myself out with a rake by some other method, in accordance with the usual laws of Murphy), I've been off hunting.   I've found references to Air Con Mk2 coaches by Airfix, Dapol, Mainline, Hornby and Lima.   As far as I can tell, the current Hornby model is a Mk2D, and was inherited from Dapol, wh