Then he started talking about SFX.
they are simple XML files that the ps3 can read as SFO.
this is an example:
so i converted my SFO reader into a SFO to SFX converter.0 IP 2 Beat Sketcher™ Beat Sketcher™ A mano libera
you can get it here http://ps3devwiki.com/wiki/Dev_Tools#SFO2SFX
i hope that someone will find it useful.