For its members only, Costco offers the Microsoft Surface Pro 3 128GB 12" Windows 10 Tablet with a Surface Pro Type Cover and Office 365 Personal 1-Year Subscription for $899.99 with free shipping. That's the lowest total price we could find by $59. It features an Intel Core i5-4300U 1.9GHz Haswell dual-core processor, 12" 2160x1440 touchscreen display, 128GB internal memory, front- and rear-facing cameras, 802.11n wireless, USB 3.0, and Windows 10. Deal ends November 30.