- Use the ethernet connection dongle and run miles of ethernet cable throughout the house.
- Redo your entire house to move the system and router closer together.
- Crack open your Wii and add a big-ass wireless antenna.
Surprisingly, their test results didn't show a huge increase in wireless strength with the grafted antenna, but the authors theorize that a stronger antenna cable will produce better results. Sounds a little risky considering all the work required, but it definitely beats redesigning the house.