Toshiba via eBay offers its 4.85-lb. Toshiba Satellite C50-BST2NX7 Intel Haswell Core i5 1.7GHz 15.6" Laptop, model no. PSCLUU-03G03J, for $549.99 with free shipping. That's $50 off list and the lowest total price we could find. It features an Intel Core Haswell i5-4210U 1.7GHz dual-core processor, 15.6" 1366x768 LED-backlit LCD, 6GB RAM, 500GB hard drive, DVD burner, 802.11n wireless, 4-cell battery, and Windows 8.1.