Dell Small Business takes up to 42% off select laptops and desktops during its Quarterly Business Sale. (Prices are as marked.) Alternatively, take 35% off the original price of select items via coupon code "SAVE35" or an extra $50 off select items priced $699 or more via coupon code "50OFF699". (Coupon-eligible items are marked.) Even better, all orders qualify for free shipping. Deal ends January 30. A couple of best bets: