Using a combination of the steps outlined above, OMNI Midi, along with the MIDI files and synthfonts from here:
https://sites.google.com/site/everqu...est-midi-files
I am pretty happy with the results so far. It does get mixed up if you try to run it through a "upmixer" like Dolby Atmos headphones, windows sonic for headphones, or Creative CMSS, but even then it isn't bad.
EDIT: Be sure to follow the steps in Getting Started on here and remove the appropriate MP3 files for combat music, eqtheme, etc...