I was wondering if anyone had a Samsung UE50JU6800 4K TV and has hooked up their MBPr to it. I got this TV today and have been very impressed with it, I plugged my MBP into it with a HDMI cable and enjoyed looking at photos in crazy detail! It wasn't till I tried a 4K short film that I realised it was only connected at 30p, I've seen on Apple's website that my MBP does support 60p but I'm not sure about the TV or if there is something I need to do differently.