Fang,
Trust me on this one. The game will be a lot more fun the more you do and have to figure out yourself.
I suggest a separate install of SHIII 1.4b and use SH3Contacts (
http://www.subsim.com/radioroom/showthread.php?t=127598)
for a run and shoot game when you just want to sink ships.
Use your SHIIIGWX2.0 install for real game play.