With BreWii, you'll have the tools you need to not only play Homebrew games on your wii, but you'll also be able to play DVDs, watch DivX movies, download Homebrew applications, download and play Wii games, and backup and play your own Wii games.
Plus a whole lot more! And all without needing a modchip! That's right, BreWii is perfectly legal and safe for your Wii. Plus it's also compatible with system update 4.2!