I have a question: I've got a 4.1 Wii, I updated IOS53, and installed cIOS rev 14.
I'm using USB Loader GX, the newest version, d/l'ed fresh today.
I've patched the ISO with WiiScrubber 1.4.
Additionally, I have a Wiikey, but haven't updated it, or, to my knowledge, even used it's functions...