After months (OK, years) of fuming at my cable bill, asking myself why I'm paying $92 a month for cable TV (with NO premium channels) when I hardly watch anything but the Science Channel & NatGeo anymore, I finally broke out of my inertia & pulled the plug. Fortunately, digital antennas have improved to the point that OTA HD channel reception is as good as cable or dish, at least here.   We have 4 TV's in the house (2 of which were old CRT behemoths until earlier ...