Four years ago, 8 GB of RAM was a lot. Today, people are looking to 32 GB RAM systems, and as screens get cheaper and real-estate grows, the need for RAM grows with it. Whether it be 3x 46inch screens, 2x 27inch Ultrasharps, or even 6 mix-and-match screens, 32 GB of RAM is starting to make a lot of sense.
Here is a pretty interesting tour of how 6 screens can be used, using a variety of items including: TV, XBox, Mac, and others.