I find the combination of FM interiors and ARB GUI to be pretty good,
as far as freedom of movement and open hatches.
I like to move when on the bridge !!!
You don't typically assign the keys.....but learn them.
Different Mod combos do different things.
The Mods you mention, are in the download section.
The best thing I can say is try different environments.
For GWX I've settled on it's 16k Mod.
For me days look good, and nights are DARK.
My opinions are my own......and will differ from others !!!