Just glad I bought a Panasonic last time rather than a Samsung - I nearly went for Samsung but Panasonic was the only one I could find that did both 4K and 3D in one TV (and let me tell you 3D on a 4K TV set looks amazing!!!).
Although I am a bit concerned in our rental caravan as that is a Samsung. Hope that one is still working as it's going to be an inconvenience if we rent it out and it doesn't work for the people in the caravan, although the one in the caravan is just a cheap non-smart TV Samsung so it should be alright hopefully.