HP Home & Home Office offers its 5.6-lb. HP ENVY 15t-j100 Intel Haswell Core i5 15.6" LED-Backlit TouchSmart Laptop, model no. E4T16AV, for $649.99. Coupon code "DEALNEWS15HP" cuts it to $634.99. With free shipping, that's $115 off list and the best price we've seen for a 15t-j100 since December. Features include an Intel Core i5-4200M 2.5GHz Haswell dual-core processor, 15.6" 1366x768 LED-backlit touchscreen LCD, 6GB RAM, 750GB hard drive, 802.11n wireless, webcam, 6-cell battery, and Windows 8.1 64-bit. (No optical drive is included.) Coupon expires March 15.