Well, I can't exactly remember where I got my MQ rom, buuuuut...

I used to go a lot to emu.kulichki.net, but that was back when there was a big american flag for all the english-speaking folks right in the middle of the page, and I can't find the engrish page anymore, so....

Now I go to www.cherryroms.com, which is pretty good, if the game you're looking for doesn't have that IDSA protection thinger, which I think MQ did. But I think that there's a European version of it that's named something different, but is the same game without the IDSA protection.

And by the way, I don't know if this'll happen on your computer, but if you're using ZSNES, it might become a little choppy. If it does, just get SNES9x from somewhere, that's how I fixed it on mine.