Tabloid tablet. The Panasonic Toughpad UT-MB5 features a 4k IPS display panel and is large enough to work with DIN A3 / Tabloid-sized drawings. With a price of about 4500 Euro (~$5800), the tablet is way too expensive to appeal to the average consumer.
http://www.notebookcheck.net/Panasonic-Toughpad-UT-MB5-Tablet-Review.126517.0.html
I have 2 ut-mb5's and I love them. Everything in this article is consistent with my observations except that the display is so breath takingly beautiful its beyond description. Worth every penny for me but I keep my plugged in most of the time and willing to put up with the headaches.