So using the wifi can be usefull, but if you have a UTP ethernet cable lying around in the neighborhood of your TV, it could be usefull to plug it into the MiniX.
I can confirm that the one from Dealextreme works.
No modifications needed, no terminal work. Just plug it in and go!
Based on the ASIX AX88772B chipset. On Win7 64 it works too.
The red light is very bright and the device get’s a little warm.
Speedtest.net: full 10 mbit (my maximum)
Chipset specs here: