I am considering purchasing an Apple TV. I have a question about the ethernet jack on the back. Can I connect the Apple TV to my wireless network AND use the ethernet jack to connect to my DirectTV HD box for their on demand service? I tried out a Linksys WRE54G Range Expander that had an ethernet jack and it worked. I'm considering returning the WRE54G and getting an Apple TV if it will do the same thing. Has anyone tried using the ethernet port to connect to anything similar like an Xbox?