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eBay (via Adorama) has the ultra-light Lenovo LaVie Z (20FF0022US) Intel Core i7-5500U Dual-Core Broadwell 13.3" QHD 2560×1440 Multi-Touchscreen 2-in-1 Notebook Computer for a low $ 799.99 Free Shipping. Tax in NJ, NY.
This laptop is on sale for $ 969 (list price $ 1199.99) elsewhere, so you get extra 17% off.
Link: http://www.ebay.com/itm/331805671866?rm
The Lavie Z is incredibly lightweight at around 2lbs. Even so, it packs powerful hardware under the hood, including a QHD multi-touch display, Core i7 processor, 256GB solid state drive, and a battery can boasts up to 9 hours of life on a single charge.