Roadside Assistance - Progressive vs Coach Net/Good Sam

When searching for ERS I limited my research to Coach-net and Good Sam since both specifically target the RV community. Just made me feel more comfortable thinking they would better address getting my 5er and truck towed in if necessary.
Both got lots of compliments and few complaints on the RV web sites I visit. But Good Sam complaints did show up slightly more than Coach-net, so I went with Coach-net. Fortunately I have not had to use them yet so can't comment on how well they will perform.