As SINS is probably going to see some pretty heavy modding action, it would be very cool if the game featured some kind of mod manager to easily select the files we want to play with.
This would also reduce the problems with incompatible versions among players when online.
A simple mod folder where you could create subfolders containing the single mods would essentially be enough.
The ingame manager would then scan for these subfolders and display them.
If a mod would be activated, the files inside that folder would be used instead of the original gamefiles.
Files not present in the modfolder would be substituted through the original files.
That way mods could be pretty small and quickly exchangable!