Treat it like a new girlfriend. Find out her nuances. It has a lot going for it. Slide on over to the SH4 mod forums for whichever theater you like. SH4 is a whole different world with mods...much like SH3 was and is
There is plenty of WOW factor in the major mods for SH4.
Read this thread:
http://www.subsim.com/radioroom/showthread.php?t=150236
Looks like he is getting along with SH4 just fine! Give it a good solid try.