Part of the problem with missing channels is that DISH did not get permission to move Echostar 8 to the 77 slot until just last week. They still don't have permission to provide U.S. service from there but hopefully will as soon as it arrives there (now expected about the end of September). Only after that will DISH be able to add the channels that your customers are missing.
Some of the ViP receivers (like the 211) need a software update to get all the new slots.
Some of the ViP receivers (like the 211) need a software update to get all the new slots.