Last night, I went through a horrible amount of boot looping for at least an hour. At times, it wouldn't even get past the white HTC splash screen. It seemed like there was nothing I could do to stop it. Even trying to use my backups was sending me in to a loop, which it had never done before. Eventually, I did something, can't remember what or how or why it worked, but I managed to get Harmonia ROM on the phone for now.
I HAVE TRIED numerous things to get this thing back to stock.. I've followed some instructions on here, and tried downloading ROMs. But somethings just going on with it, it seems. All my attempts failed. Bootloader kept trying to update and for a while, I couldn't even get past bootloader to get to the menu to put me in recovery.