DOSBox Wii is a port of DOSBox to the Wii using SDL Wii. It also features a Home menu powered by libwiigui.

Changes:

Updated to latest DOSBox SVN
USB 2.0 via IOS58 support. Requires that IOS58 be pre-installed.
Improved USB keyboard/mouse support

http://wiibrew.org/wiki/DOSBox_Wii