Haven't had it for a while now but was using it when it was two separate companies running things, DirecTV and USSB if that says anything. If you are worried about signal there are a couple things that can be done, one is you can purchase a larger dish than the 18inch one that you get free, larger dish better signal. In fact you can actually use one of the old C band dishes by getting a compatible LNB. Snow. . . not much down here but when it happens you probably don't want to have to try and knock it off especially if the dish is mounted on a roof out of easy reach, they make a "heater" that is basically a stick on mesh that can melt any snow or ice that accumulates on the dish. You can get one that is automatic (turns on when the temp drops to a certain point) or manual which is probably going to be a better idea since a lot of snow doesn't happen too much down here.
As far as prices. . . all I can say is the "entertainment service providers" are all gonna bend ya over, you just have to try and make sure they sweeten the deal. Don't call in saying you want that package for sports call in act like you don't care and may even hang up then get them to sweeten the deal. The reps have some leeway in prices and if they don't make the deal you like hang up and call back in ten minutes.
Service can't help ya there but as far as the reviews, people generally tend to only make bad reviews and 500 out of hundreds of thousands of subscribers seems pretty low to me.
One note on DirecTV vs Dish. . . I know for a fact Dish leases the equipment and wants it back even if it's really old and outdated, DirecTV doesn't as far as I know. I have one of the gen2 DirecTV Tivo boxes sitting in a closet and you can buy boxes through online sources all day long, you can also sell the dish at the end of your contract for a few bucks to an installer, they are always looking for them and will toss you ten or fifteen bucks for it.
Say what? I had Dish for 6 years until I sold the house. Called them to disconnect. I asked them what I was supposed to do with the receivers and the dish on the roof. They told me to do whatever I wanted to with them as they were now mine. I didn't need to drag the crap across the country so I left them there. Never heard another word from Dish.