Always.Deals via eBay offers the 1.7-lb. Microsoft Surface Pro 4 12.3" 128GB Windows 10 Tablet, model no. SU3-00001, for $579.99 with free shipping. That's $119 under last week's mention (although that included a cover) and, outside of a student-only deal, the lowest total price we've seen. (It's also the best deal now by $103.) Features include an Intel Core m3-6Y30 Skylake 900MHz dual-core processor, 12.3" 2736x1824 multi-touch LCD, 4GB RAM, 128GB internal flash storage, 8-megapixel rear camera, 5-megapixel front-facing camera, 1080p video recording, 802.11ac wireless, Bluetooth 4.0, USB 3.0, mini DisplayPort, microSD slot, and Windows 10 Pro 64-bit. It comes with a Surface Pen.