Newegg via eBay offers the refurbished 5.3-lb. HP Envy x360 Intel Haswell Core i7 2GHz 15.6" 1080p Convertible Touchscreen Laptop in Natural Silver, model no. G6T85UA, for $579.99 plus $6.51 for shipping. That's $8 under our mention from two weeks ago and the lowest total price we've seen. (It's also a current price low by $63, outside the price below.) Usable as a tablet or laptop, it features an Intel Core i7-4510U 2GHz Haswell dual-core processor, 15.6" 1920x1080 (1080p) touchscreen LCD, 8GB RAM, 1TB hard drive, webcam, Bluetooth, USB 3.0, 802.11ac wireless, and Windows 8.1 64-bit. No warranty information is available.
A close price: Refurb for Less via eBay offers it for $594.99 with free shipping.