I found many mini case in http://www.travla.com/business/index.php?id_category=21&controller=category,
2 pice slot with Flex atx model : http://www.travla.com/business/index.php?id_product=120&controller=product
1 pcie slot/ DC : http://www.travla.com/business/index.php?id_product=87&controller=product
2 pice slot with Flex atx model : http://www.travla.com/business/index.php?id_product=120&controller=product
1 pcie slot/ DC : http://www.travla.com/business/index.php?id_product=87&controller=product