Best Buy offers the Microsoft Surface Pro 4 12.3" 128GB Windows 10 Tablet, bundled with a Webroot Secure Anywhere 3-Device 6-Month Subscription for Windows, Mac, Android, and iOS, for the in-cart price of $549.99 with free shipping. That's $20 under our mention from two days ago (which included the Surface Pen) and the best price we've seen. (It's the lowest price now by $135.) 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.