I have a G4 MDD (pre-FireWire 800) that I'm pretty sure will not do Airport Extreme. But there are USB adaptors that claim to fully support Airport Extreme for PCs plus all USB+OSX Macs. Anyone have any experience with these and able to recommend them? I'm looking at these two: <http://tinyurl.com/7q8ok> <http://tinyurl.com/99vlf> Which is better? Thanks, -Josh