New YAMAKASI 300 SPARTA LED PREMIUM 30" Display Port, HDMI, DVI-D (Dual-Link), D-Sub, 2560x1600 AH-IPS 30-inch Monitor with Speaker Thunderbolt Display

Do not ever buy a monitor if they refuse to accept a return over dead pixels. Especially in this price range. It's like paying a fortune for a car, and when it arrives has a broken windshield "Sorry, we allow up to 5 inch cracks, no refunds"