http://www.ac-web.org/forums/showthread.php?218386-WTS-A-5-4-8-source-with-all-my-MOP-development-for-200-spellsystem-included!
^link to the thread
this is a 5.4.8 skyfire with work on SoO, latest revision as of the one he's selling
database download: http://www.mediafire.com/download/64xb1bzpr3agbrv/MysticDB.rar

this is GPL-based project so do whatever you want with it