Pretty sure this was it, although it does say there are VA and IPS versions and the one they got was an IPS. I haven't noticed substantially poor viewing angles, but I'm only about 45 degrees off center.
Vizio E Series 2015 Review (E32-C1, E40-C2, E43-C2, E48-C2, E50-C1, E55-C1, E60-C3...