Ah, damn, I know. For some reason I thought he was still talking about the Wii emu, not the real Wii, sorry!
Quick little story regarding the Sonic Adventure 2 Battle Preview: Now this preview disc was purchased from off the same ex-Sega dev who sold Sonic Advance 1 prototype cart. Apparently he had two of these NR discs. One of which was dated 11/19/01 and the one we have which was dated 11/29/01. I couldn't get the other NR disc because some other person manage to claim that one. The ex-Sega dev was fairly confident there was nothing different about those two NR discs but had no way of finding out for sure without digging into it. When I received it, I eventually dumped it using an LG GDR-8162B drive and hot swapping. It took awhile to sort out because I hadn't done this before. More so because I didn't have an LG drive at the time I received the NR disc. I was quite pleased with my attempt. Seeing as I didn't have a powerful enough computer to check it out, I had to post it up as is. The rest is history. Thanks everyone for looking into this (as well as the Sonic Advance 1 Prototype). I appreciate all the thank yous as well =)
I went through the files with a fine toothed comb. It's the same as the HPZ release. That basically means it's only major difference is that it was the Japanese version, missing only the English banner.
IIRC, you can load gamecube games from SD cards using WiiKey SD gamecube memory card. I think there's also a way to connect an external harddrive to the wiikey. I might be wrong.