I had this with my Diamond, with not having a removeable SD card it was very long winded to try to get it back to stock to take it in for exchange... I ended up bricking it with no way to get a good .nbh on it since the USB was dead and couldn't get past the tri-colour.
I'm hoping HTC aren't using the same tier 2 component suppler for the USB in my new TP2... probably is though