Your installer did well by you putting you on a seperate 500. The problem with 129 has been the signal drops approx 20 points every 30 mins or so. If your overall signal is strong enough you may not notice it. The word was that dish was working on it. I haven't taken the time to watch the signal strength recently but I have noticed that I haven't had signal breakup (also have a seperate 500 for 129) for a couple of weeks. If dish has done something to correct 129 it would be good to know.