Okay, I am currently playing the GC version and am almost finished with it. I must say I LOVE it! I don't have any problems with everything being mirrored. I like the graphics more. It looks more brighter on the GC. I also like the way you have to shoot your arrows. You really see the arrow on...
It is like RP said. If you really want to keep the typical Zelda mood you should go for the GC but otherwise go for the wii. I like it better and the controls are not that horrible at all. You only have to point your remote to the screen and that's not hard to do. I also like the sound you hear...