This former Cyber Monday deal is currently available again for the same price.
The base CPU is an i5-8400 for $799.99 but you can upgrade to an i7-8700 for +$70 or an i7-8700K for +$170 (requires +$80 liquid cooling).
8.5% cashback available from Be Frugal.
I bought it on Cyber Monday and it's a nice computer. I bought a Samsung 960 EVO NVMe SSD separately. Easiest way to move Windows over to boot from it is to create the HP Recovery Media on a USB drive and use that to install the factory image to the SSD.