wireless support: se lucho's note about his almost-done wifi driver. That said, you might want wireless usb with the atheros chip (6000 series?) that does most of the wireless stack. Charles knows more.
webcam: is this a usb webcam? USB support is getting better. low power -- is an atom mobo low enough? The interno + 9p approach is not a bad idea. In fact, inferno might be ideal for what you are doing. ron
