Costco offers its members the 5.7-lb. HP ENVY 15t Intel Haswell Core i7 2.5GHz 15.6" Touchscreen Laptop for $799.99 plus $29.95 for shipping. (Non-members pay $40 more.) That's $300 off list and the lowest total price we've seen for any Core i7-equipped ENVY 15t with 16GB RAM. (We saw it with without a Blu-ray writer for the same price in October.) It features an Intel Core i7-4710HQ 2.5GHz Haswell quad-core processor, 15.6" 1920x1080 (1080p) touchscreen LCD, 16GB RAM, 1TB hard drive, Blu-ray writer, 802.11n wireless, Beats audio, webcam, 4-cell battery, Windows 8.1 64-bit. Deal ends December 21.