When I say 'a host of issues' I should narrow this down to decoration, they seem fine technically, although I admit to not owning any of these at present.  Dapol seemed to have a fixation on the Scottish Region for their initial Class 122 releases, strange considering they didn't reach those parts until 1967. Green SC55007 may have received small yellow panels before losing its original 'joined-up' exhaust but surely this would have been chopped by 1967. Was it even sent to the ScR in green