Ending today, HP offers its HP Pavilion 510-p050st Intel Skylake Core i7 2.8GHz Desktop PC in Twinkle Black, model no. V9A74AA#ABA_PC, for $779.99. Coupon code "DT15BMSM" cuts that to $722.49. With free shipping, that's $128 off list and the lowest total price we could find, although we saw it for $42 less in November. It features an Intel Skylake Core i7-6700T 2.8GHz quad-core processor, 16GB RAM, 1TB 7200 rpm hard drive, Nvidia GeForce GT 730 4GB graphics, DVD burner, 802.11n wireless, Bluetooth 4.0, USB 3.0, and Windows 10.