1. what youre looking to do is illegal
2. it requires the wii to be 'chipped' or the Trilight hack, both of which are also illegal.
3. anyone asking payment for the hacks is a theif. the software was released as freeware
4. yes, you can load emulators to play downloaded games (roms)
5. downloading roms is illegal, it is downloading a program that requires payment. uless you already own the game, you cannot possess a rom of that game
6. if you still want to go through with it, pm me for more details.
7. the twilight hack, which technically wont void youre warranty requires Zelda Twilight Princess game
8. it will legally void th warranty