Quoted from Mr_Tantrum:
The config.ini file belongs at the root level of the USB drive (i.e. not in an orchestration sub folder). However, I do believe you can put settings files down to the sound file folder level (I've not done it), but don't recall off the top of my head what settings you can apply and what the file name needs to be. If you search hard enough on PinSide, you can probably find the answers (or just trial and error on your own).
You also have to be aware that PinSound Studio has changed significantly with PinSound Studio Pro. Many things no longer apply. The main emphasis of PSSP was to enable shaker programming, and many of the other features previously in PSS will make their way into the application in due time.
GREAT call on PSSP vs PSS. It May be worthwhile for folks without a shaker to keep PSS for the time being. Much good advice here ^^^