I haven't seen these cases mentioned at all so far. They look good to me and I've ordered the ultra slim case in cognac for my 6 Plus.
iPhone 6 Plus: http://www.stilgut.com/products/apple/iphone6-plus/
iPhone 6: http://www.stilgut.com/products/apple/iphone6/
iPhone 6 Plus: http://www.stilgut.com/products/apple/iphone6-plus/
iPhone 6: http://www.stilgut.com/products/apple/iphone6/