hey guys...there is a fix for the "charge complete" notification is located in the Omnia problems and solutions thread, that is stickied up top...
be sure to search before you post a new thread about things that have already been discussed... heres the link below in post 122 I have the two files u need to replace to either eliminate or quiet the sounds...
//forum.ppcgeeks.com/showthread.php?t=47514&page=13