eBay has the Microsoft Surface Pro 4 6th Gen Core i5 128GB 12.3" Tablet (CR5-00001) for $650 with free shipping. List price: $1000. Features an Intel Core Skylake m3 processor, 12.3" 2736x1824 multi-touch LCD, 4GB RAM, 128GB internal flash storage, 802.11ac wireless, 5-megapixel front-facing camera, 8-megapixel back-facing camera, and Windows 10 Pro.
GearBest has the Teclast X80 Pro 8" FHD 32GB Windows + Android Tablet (white) for $80 with free shipping. List price: $240. Features Intel Cherry Trail Z8350 Quad Core 1.44GHz ( up to 1.92GHz ), RAM + ROM: 2GB + 32GB, Windows 10 + Android 5.1 system, Bluetooth 4.0, HDMI output.
Microsoft Store has the NuVision Solo 10 10" 32GB Draw Tablet(Blue pictured) for $99 with free shipping. Features 10.1-inch Full HD touchscreen, Intel Atom x5-Z8300, 2GB memory/32GB eMMC, up to 6 hours battery life, includes stylus and sleeve.
Best Buy has the Apple iPad mini 4 128GB WiFi Tablet several colors (Space Gray pictured) for $300 with free shipping. List price: $400. Features 7.9" Retina display (diagonal) with anti-reflective coating, touch ID fingerprint sensor, A8 second-generation chip, 8MP iSight camera with 1080p video, facetime HD camera.