deal_frenzy via eBay offers the refurbished HP ENVY x2 15 Intel Broadwell Core M-5 1.1GHz 13.3" Touchscreen Convertible Tablet / Laptop, model no. J9M66UAR#ABA, for $389.99 with free shipping. That's the lowest total price we could find for this refurb by $45. Features include an Intel Core M-5Y70 1.1GHz Broadwell dual-core processor, 13.3" 1920x1080 (1080p) IPS LED-backlit touchscreen LCD, 8GB RAM, 256GB flash storage, 802.11ac wireless, Bluetooth 4.0, 2-cell battery, and Windows 8.1 64-bit.

A 90-day warranty applies, although it's unclear who supports it.