Looks like the ASUS Republic of Gamers STRIX AMD Radeon RX VEGA 64 graphics card will be the first to make it to the market. Some previews of this card were published nearly two months ago but overall there's still little confirmation about when we can expect the custom-design Vega cards.
A week or two ago, word on the street was that ASUS had delayed its STRIX Radeon RX Vega 64 card to early October. We're almost closing in on mid-October so it looks like the card got delayed again but now an unboxing video showed up over at eTeknix. This reveals cards are out in the wild and will probably hit retail shelves very soon.