I've had a 10-inch Lodge dutch oven for two years now and have really enjoyed learning to cook with it. The popularity of cooking with cast iron is on the rise.
There's even a television show on Sunday's on the RFDTV called Campfire Cafe devoted to the art of cooking with this technique.
Byron's Dutch Oven page is one of the best "how to" dutch oven web sites on the internet. He takes you from start to finish and from beginner to experienced with cooking tips, recipes, pictures and much more.
Here's another web site that has dutch oven movies you can watch online. He even has dutch oven podcasts available for the Apple iPod