Sounds like you got a pretty fair deal.... Check out Truecar.com. They provide info on pricing (probably would have been helpful BEFORE you purchased) but as it turned out, you basically got a dealer invoice price - which is very good. As for the Honda Care, look on the fourm under warranties. Much is written there about places that provide good prices on HondaCare. You just need to kind of figure out how long you want protection for, and how many miles you anticipate driving the van and want to be protected for.
Good luck with the new ride.
Good luck with the new ride.