BenQ takes an extra 15% off its refurbished monitors via coupon code "MAY15". Plus, all orders receive free shipping. Choose from screens ranging from 21.5" to 32". A couple of best bets, with comparisons to new units:

• Refurb BenQ Zowie 24" 1080p 144Hz LED LCD Gaming Monitor for $209.95 (pictured, low by $76)
• refurb BenQ 32" 4K 2160p IPS LED LCD UHD Monitor for $515.95 (low by $193)