Definitely get Large Address Aware. That game was written for older machines and has a limited ability to access RAM. LAA allows the game to access more RAM. The info with it explains much better in decent detail.
http://www.subsim.com/radioroom/down...o=file&id=3634
I'm running Operation Monsoon now. My normal setup is:
TMO
RSRDC
MaxOptics
plus a few other minor sound and graphics mods I feel like using.
A lot of people like Traveller's Mod and Optical Targeting Correction.