i have installed multiple different media centers on my wii (RVL-001 black model) and it can play movies and videos off of an SD card or a usb stick just fine. but DVD playback doesn't work and it says the system is not compatible. i installed CIOS for USB loader GX but i haven't tried it since then. does that fix the issue? (i would try it myself but i don't want to waste time finding WiiMC on tockdom again)