Thats not too bad, but I'd think a bigger provider could give you better all around for less per month, but no not on equipment charges though.
Have you ever checked http://www.wildblue.com/ or http://go.gethughesnet.com/ There is good and bad about both of course. But the speeds would be better some. Just some thoughts.
I have spent a bit of time on dial up and sat is why I wondered on the setup. Presently on EVDO. Beats both those. And I live 5 miles from civilization also. But not as secluded as you. Not that fond of the city either.