Lenovo cuts up to $764 off a selection of its laptops, desktops, and tablets as part of its Black Friday Doorbuster Deals. (Many require coupons, noted on the sale page.) Plus, all orders bag free shipping. Deal ends November 30.

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A couple of best bets:
-- Lenovo G50 Haswell Core i5 1.7GHz 15.6" Laptop for $539 via BFRIDAY99 ($241 off)
-- Lenovo K450e Haswell Core i7 3.6GHz 16GB 2TB Desktop for $729.99 via BFDBK450E03 ($220 off)