Superadobeserrano is an Argentinian blog with lots of great photos. Don’t be discouraged if you don’t speak Spanish. Just copy and paste the text into free translation software such as Google Translate and you’ll soon understand what’s going on.
I love the look they’re developing, especially the interior. Leo said the “cost of my roundhouse (single, little one) was about 3000 dollars. The wooden roof was the most expensive. Here in Argentina that kind of material is not cheap!”