I need three new receivers for Direct TV, nothing fancy just some basic reliable boxes for guest room, basement, and gym. Should I just call DTV or am I better to buy my receivers elsewhere (ebay?). I may go for two standard receivers and one HD DVR for my main system and then I can move my...

I'm sure this has been covered here somewhere, but I couldn't find exactly what I was looking for so forgive me if my question is redundant. I want to split/multiply my Direct TV signal so I can add more boxes/sets to my system. I also want to add a HD DVR in my family room, where most of...