I am having serious problems syncing with wmdc using mighty rom 5, but I never thought it was caused by advanced config. Since I don't know what my problem is, this could be a possible cause. I like everything else on the rom so I hope someone can come up with a solution soon. here is link to another thread that I have been posting my problem in
http://forum.ppcgeeks.com/showthread.php?t=66672&page=6 incase anyone wants more info.