Welcome Daniel i'm also a fellow Scot from the Moray Firth.
I've been dipping my toes into Silent Hunter 3/4/5 over the last 15 years, currently enjoying SH4 with the Dark Waters mod during the lockdown as I've found it the easiest mod to plug in and play out of all the amazing mods out there.
Every now and again I delve into Dangerous Waters creating my own missions.
Have fun pal