Hi guys, I'm contemplating buying two airport extremes in order to provide adequate wireless signal in my home. I intend to set up the routers to run in "roaming mode" wherein the routers exchange synchronization information over ethernet rather than using wireless. (see http://support.apple.com/kb/HT4260). Because of the layout of my house, I intend to place the "primary" airport extreme in my garage where the fios OTN ethernet cable and ethernet runs from other...