They are likely to want to install an eastern arc dish... 1000.4 that will get 61.5/72.7/77 locations. That is what I got when I recently moved within Raleigh.
IF there are location issues installing the dish OR line-of-site issues they could install western arc 110/119/129. We are in a market where it doesn't matter.
There are advantages and disadvantages to either arc... but as a new customer I'm not sure you really would care one way or the other. When I moved, I switched from western arc to eastern arc. It hasn't been a big deal.
One thing to be aware of, though, since you said you are getting Hopper/Joey installed. The Hopper/Joey doesn't support OTA right now... so you will only get what Dish carries via satellite in terms of our local channels.
Dish has all of our SD locals (not the subchannels mind you like ThisTV or MeTV) but only has WUNC, WRAL, WTVD, WNCN, and WRAZ in HD.
IF you watch anything on WRDC or CW22 then you will not be able to see those programs in HD with the Hopper/Joey setup.