Lodge is the most popular and common brand and has the best reputation. My ovens and my skillets are all made by Lodge.. I've also heard good things about camp chef line but haven't used them. I believe the Cabelas line is made by Camp Chef. A good well seasoned cast iron dutch oven is virtually indestructible, Avoid the aluminum brands.
You'll want to carry both the camp stoves and dutch ovens in various sizes. Camp stoves have 3 legs and a flat lid so that coals and other camp stoves can be stacked on top of them. Camp stoves are what are traditionally considered "dutch oven cooking" and are better for using with coals in a pit or on a flat surface such as a table. A regular dutch oven has a rounded bottom and or lid an can't be stacked. Since they don't have legs they are easier to use on a side burner, in a regular oven, or on the grate of a grill.
And as long as your carrying dutch ovens you might as well carry a couple good cast iron skillets.
Are you going to carry accessories such as dutch oven tables, lid lifters and cook books? I recommend the Mair lid lifter. It's the best on the market.