I purchased two 2407WFP-HCs about a month ago. I noticed that one was showing different colours than the other. I reset both to the factory settings to make sure that this wasn't the problem. It was infact already at the factory settings, so it didn't make a difference at all. I called Dell. They sent me a replacement monitor so that I could compare all three monitors with each other. Again, I made sure that all the monitors were at their factory settings. This monitor again was different to the first two. Called Dell again and they sent me a fourth to compare. Received that monitor today and I must say that I'm very disappointed to see that out of six different combinations (1&2, 1&3, 1&4, 2&3, 2&4, 3&4), not any two of them matched colours. I would like to know: 1. Is it common for this to happen? 2. Shouldn't the same model be of the exact same colours, brightness and contrast when set to the factory setting? 3. What could I do to get my two monitors to look the same?