Dell P2426HEB vs P2426HEV, P2726DEB vs P2726DEV, P3426WEB vs P3426WEV: Comparison and Which One to Buy

Dell P2426HEB vs P2426HEV, P2726DEB vs P2726DEV, P3426WEB vs P3426WEV, compare the new conferencing and webcam monitors and find which one to buy.