Good soup (my opinion only, your mileage may vary depending on your tastes). I will agree with some of the other comments that diced tomatoes would be a good substitution for the stewed tomatoes and that without some additional liquid, you may end up with more of a chili consistency than a soup consistency (don't know if that was the intent) . I would also recommend preparing the beef with the taco seasoning before adding it so that the taco taste comes through in both.
