If you use TM, some/a lot of ROW and PE effects are already in there. You'll want to install TM Overhaul first, then RSRDC, then NSM, and then the German mod. Here's the latest post keeping track of the mods...
http://www.subsim.com/radioroom/showthread.php?t=119504
Some of the mods listed above are still working out 1.5 bugs.