Here's what I'm trying to do:
I have a wireless network at my house, but my Xbox 360 is downstairs. I want to set up some sort of wireless access downstairs that I can then wire (by ethernet) to my xbox 360. Essentially bridging my network. I'm not interested in one of those rediculously overpriced 360-wireless adaptors ($180!!!!).
What is my cheapest and easiest option to do this?