The Zotac GeForce GTX 1080 Ti Founders Editionis available on Amazon for $675.99& FREE shipping.
What a GPU! NVIDIA's top of the line for consumers right here, folks.
11GB GDDR5X 352bit VRAM
VR-Ready
3x DP v1.4 ports
1x HDMI2.0b port
And a whole lot of graphics & compute power.