Don't really have a choice. I actually got myself the U2711 around 4-5 years ago which went through a series of replacements. In the end, Dell India ended up sending me a refurbished U3011. It has served me well. I am not into designing or developing so I do not really need this much real...
I currently have a Dell U3011 and like all my previous Dell displays it has developed enough defects on the panel that I need to replace it. It is out of warranty so no more replacements from the company. My budget is not high enough to get a good quality 4K display. So looking to buy something...