Steve
This is fantastic post!
Because it makes so much sense to me!
I too am a bit of an obsessive compulsive when it comes to this, and I wouldn't allow myself to start the game proper until I was confident that I had the ultimate setup. It's good to hear I'm not the only one!
Here is what I installed!
GWX - Alternate Loadscreen - Full Circle
GWX - Axis Mediterranean Aircraft Skins
GWX - English Nav Map and Grid Refs
GWX - Captain America's Officer Icons
GWX - Late War Sensors Snorkel Antennas
GWX - Main movie - 'Das Boot'
GWX - Merged Campaign
GWX - No Medals on Crew
GWX - Open Hatch Mod
OLCE2
OLC GUI Special
LifeBoats&Debris_v3B
Rowers_for_LifeBoats&Debris_v3B
Fuel Economy mod v1.1
interior diving angles
interior diving angles (openhatch)
Torpedo damage Final ver2.0
Community units
Authentic_Off_Faces #2
OLCE2 - Adjusted GWX 2.1 Crew Skins
OLCE2 - Adjusted GWX 2.1 Enhanced Particle Effects (with reflections)
WBNN Messages
Das Boot Sound Mod (German)
Real Depth Charge
The only thing that I am missing is Rubini's water streams and RB's exhaust mod. I posted about that and was told I could overwrite the OLC data without fear of breaking anything. But I haven't tried that yet.
I suggest you lookup the WBNN messages, real depth charge and fuel economy mods too. hope that helps.