Maybe the pigeon fanciers have moved up-market to posh places like Whickham

“Streaks” as we used to call them were mine and many others Locomotive of choice in those Ian Allan days, seeing one of those especially “Mallard” was definitely a double underline in the “Locomotive Bible”. Drains open plenty of Steam issuing out on start up and no spotty faces the bonus of standing in the Steam cloud.
One Locomotive I would have liked to have seen is the GT3 with its Steam Plant in the Tender along with the Crew Corridor.