Just got a reply from Monoprice that they are only honoring their 5 pixel defect guarantee. I asked them to check again; I guess this will get sorted out sooner or later.<br /><br />@LawDuckShellChapel<br />You need a dual-link DVI cable to transmit higher than 1200p, and yes, mini-displayport to DL-DVI adapters are stupidly expensive.