Best Buy: NVIDIA GeForce GTX 1080 Founders Edition 8GB GDDR5X PCI Express 3.0 Graphics Card Black 9001G4132500001
MSI GeForce GTX 1080 Ti 11GB GDDR5X PCI Express 3.0 x16 SLI Support Video Card GeForce GTX 1080 Ti GAMING X 11G GPUs / Video Graphics Cards - Newegg.com
GeForce GTX 1080 is a beautiful powerhouse, but you still may want to wait - Polygon