Just found that newegg has opened up preorders for Amd Ryzen refresh and X470 motherboards. All the specs and pictures are on respective product pages.
https://m.newegg.com/ProductList/keywordsearch?keyword=Amd+x470
https://m.newegg.com/products/19-113-497
https://m.newegg.com/ProductList/keywordsearch?keyword=Amd+x470
https://m.newegg.com/products/19-113-497