I ordered a 24" ACD refurb. It had a large piece of dust between the glass and the display. I returned it. I ordered a 2nd 24" ACD refurb. It has a smaller piece of dust between the glass and the display, but it also has a couple of dead pixels. I'm going to return it. I'm thinking of just going and getting a retail one. What's the deal? Will I be fighting this with the retail units as well?