OK - I've been reading as much as I can to catch up but I'd appreciate some help.
Currently have 4 311s connected to 4 TVs in 4 different locations. To get HD (no DVR) can I just switch the 311s for ViP 211z or Wally receivers and then activate through Dish? If so, would I have to do them all at the same time?
You might want to consider the 211k instead of the 211z. You can get them remaned at dish retailers.
I switched from a 311 to a 211k 2.5 years ago when I bought a new TV. I din't have to change the LNB
That is a great suggestion, Kingamer11! We can definitely assist with this type of upgrade here as well. Just send us a Private Message with your phone number and 4 digit Pin so we can get it all set up!