IPS
The main advantages with IPS monitors is that the technology offer noticeably better color reproduction as well as much better viewing angles. The downside used to be a difficulty to emphasize blacks, which in turn meant problems with the contrast. IPS panels were also very expensive and slow in the beginning.
Now the manufacturers have started producing so-called Super-IPS (S-IPS) panels at reasonable prices. Response times have crept down considerably and the contrast is much better. In addition, color display and the options to calibrate the colors are superior to the other panel types. IPS panels keep colors constant, even in sharp angles.
VA – MVA and PVA
Further developments have led to MVA and PVA, where the manufacturers are trying to find a technique that would combine the advantages of both TN and IPS. MVA panels offer good viewing angles and generally better blacks and contrast than either TN or IPS panels. Their response times also look good on paper, but unfortunately not in the real world
Even if the response time for white to black is low, it is often considerably higher between two dark tones, leading to Ghosting effects. Another weakness is the color reproduction, which in itself is better than TN but not as good as IPS. PVA panels are in many ways similar to MVA, but have even better blacks and great contrast. The problem with ghosting remains, however.