Hello! I just got the rMBP a few weeks ago. I plugged it into my external monitor, a Samsung p2570HD via HDMI. It looked awful. It looks it has very high contrast. The text is barely legible and there are thick white halos around text on menubars, the apple logo on the upper left..etc. (I can take a picture if it is helpful) I called Apple, they weren't sure and suggested I try it on another display. I checked it out on a friend's tv and also another hdmi monitor at school. They all looked bad. So I called Samsung to have them walk me through tweaking the display. The woman basically stalled after I explained to her that there is not an option to change resolution to 1920x1080, that I could change between different scaled resolutions like "larger text...best..more space.." and tried to explain they are roughly equivalent to... this confused her she explained that Samsung monitors are essentially plug and play and that there are not really any settings to tweak and that Samsung doesn't advertise they work with Apple products. So...I called Apple back and explained what was going on. It looks totally fine over DVI but not HDMI. They said the computer should be able to detect the display and look fine and that it is a 3rd Party Issue but they could capture my information and send it to engineering to possibly look into it. Advice? Walk-Through? Am I crazy, am I missing an obvious setting? Thank you!