Our booking engine at tickets.railforums.co.uk (powered by TrainSplit) helps support the running of the forum with every ticket purchase! Find out more and ask any questions/give us feedback in this thread!
Yes. Caledonian Railworks [https://caledonianrailworks.wordpress.com/] seem to have quite a few. However, I haven't seen any other Wessex-based reskins elsewhere.
I can help with that. This is the official user guide for the game: https://cdn.akamai.steamstatic.com/steam/apps/24010/manuals/TS2021_Short_User_Guide_EN.pdf?t=1612533967.
If you look close enough in the image below, the unit in question is believed to be 222 101. (Image from https://twitter.com/EastMidRailway/status/1294310405712601090)
It appears another Class 230 will be delivered today: https://www.realtimetrains.co.uk/train/K04003/2020-08-06/detailed FRGT 1436 Long Marston to Wrexham General
The pacers aren't staying with GWR, they'll get replaced with an internal cascade when the 769s eventually enter service. Not sure about TfW. (Sorry to stray off topic!)