Groupon offers the 3.2-lb. ASUS Zenbook Prime Intel Core i5 1.7GHz 13.3" Ultrabook
, model no. UX32A-XB51, for $629.99
with free shipping
. That's the lowest total price we could find by $341. (For comparison, we listed a Core i3-equipped model with a smaller hard drive for $80 less three weeks ago.) It features an Intel Core i5-3317U 1.7GHz Ivy Bridge dual-core processor, 13.3" 1366x768 LCD, 4GB RAM, 500GB hard drive with 24GB SSD, 802.11a/n wireless, Bluetooth 4.0, media card reader, and Windows 7 Professional 64-bit. Deal ends April 25.