We recently upgraded our home to (2) 722K's & a 1000.4 dish. We have the old 500 dish & a place at the beach. I've read in other posts that this receiver can work with the older 500 dish but obviously only in standard definition. My question is.....can I take one of my receivers with me to the beach & connect it to the 500 dish while I'm there on the weekend & then back to the 1000.4 at home on Monday without much trouble, or will this require alot of B.S. & should I just purchase another 1000.4 dish ??? Any help would be greatly appreciated. Thanks, Steve.