I use hope hubs and I have gotten so tired of listening to them on long rides that I pedal instead of coasting. This usually takes quite a bit longer than 8 hours for me though. Shimano is a good lower priced option, but I don't know if you can buy them right now. There are silent but expensive options like onyx. There are some others, but nobody has much experience with them yet.
I recommend against loading a freehub up with lube since that can cause engagement problems too.