The reason the night mail is finishing, is due to the sale of the mighty shed. This was known quite a while ago, as part of the fleet review, and was to be replaced by a Dash-8. Unfortunatly the Dash has no cargo door, so cant be used solely for freight, but was to be used on EXT-BHX. The aircraft is obviously needed elsewhere as the new dashes have been delayed a bit, so the route has been dropped in favour for a more profitable one elsewhere, I guess an ex Gill one.
Thanks for the kind comments TikkiRo, its nice to know that not everyone spots the bad points.