Nintendo just released an update for the PAL Wii's. It's supposed to make the Wii support the WiiWare service. Just tested it for Trucha Signed games, Brawl (so double layer + error 001) and standard burned games and everything is still working perfect. Edit: Also tested online (just in case) and the hacked PAL freeloader iso. I don't own the original one so I can't test that one.