My wireless router is more of an exhibitionist than a shrinking violet. Given the location of my cable hook-ups and a few tricky reception spots, that black flashing box has become an unusually prominent feature of my decor. And let's not even mention the tangle of TV cords, the pride of place of my game systems, and the real estate taken up by my printer. But if you're like me and are tired of seeing tech devices everywhere you look, perhaps these few affordable, effective, and someti...