Low&Slow, I don't know how to check PSF's version number and I've never heard of any PSF patch. And the only mods I know of that's 100% compatible with PSF is Pretzel's stuff... http://www.fa-18hornet.com/psf_oif.htm
You want to make sure you get Korea.dat and 14 TGA files including 5 cloud files. Simply replace the original files.
And that Crowded House mission is pretty cool too.
I decided to move on and even promised someone my printed manuals and CD. Then at the last minute I changed my mind (just couldn't do it) so to keep my word, I re-printed everything and gave away my backup copy (CD jewel case still in shrink-wrap).
I just can't let this one go, not until another Hornet sim comes along with a mission recorder like HK. I mostly play TAW and Strike Fighters now but I also still play PSF because I really enjoy this sim.
Not to beat on OIF anymore, but I REALLY wish Graphsim would update this sim, even if just a little bit at a time.