for the last 3 years we have used a Winegard dish (purchased from Camping World) and a Bullseye Dish Mount:
http://www.rvdishmount.com/
this mount has proven to be simple to set up and is extremely sturdy ... our dish has been through numerous thunder storms and strong winds that have leveled tents, destroyed awnings and toppled tripod dish mounts and so far it has not only remained standing, it has yet to lose signal ... it was recommended to us by folks who are fulltimers and has become one of our most trusted/valued pieces of equipment
Jim