Based on my experience,
I'm going to keep it. Insanely good Camera and excellent battery life. My Nexus 6 is pretty much done, and I need something. After playing the display lottery, I finally got an 2XL with a display that has a hue tuned to the way I like it and no black dots in the display.
After holding and using at least 6 2XL's, 3 of which I bought and returned, I have some opinions. lol
The first 3 phones I held or purchased had blue to very blue Hue's separate from the blue shift. I didn’t return the first two phones because of that. The first two phones had little black dots on the OLED side of the glass. I'm of the opinion that when they were painting the display's glass, or whatever process they use to blackout the edges around the screen, it was splattering. It was getting onto the display portion of the glass. 3 of the 4 I ordered had very amounts of this “splatter” in the display. I’m convinced there are more out there. I’ve decided that there is this dust spot you keep trying to wipe away, but you haven’t noticed it’s not dust just yet.
The first two phones I purchased, the display I played with in the Verizon store, and my friends phone, had varying degrees of a blue hue. I feel for some reason LG or Google calibrated the display this way which didn't go over well at all when paired with the blue shift. I was amazed and almost shocked when my 3rd unit arrived, and its display was Neutral, it almost looked warm. It startled me when I turned the phone on, it was obvious from the get go. It was so different you could have convinced me that Google had switched the display over to a Samsung display (I don’t actually think they did.) The 4th Unit was also this way. I immediately switched the color profile to vivid to see what it looked like. I liked the vivid profile on the blue displays, but it was way to punchy on these last two units. This may be coincidence but the phones with the blue Hue had shipped from CA and the phones with the neutral hues shipped from IL. I didn’t have my California units available, so I compared my Illinois, I’ll call them that, to my friends California unit and the hue’s were different. Mine was nice and neutral and his was cool. I’m speculating but I think Google/LG quietly responded to the complaints of the display and the 2XL’s OLED panel are being calibrated differently now, or something. I wondered if it had something to do with different company opinion on display calibration, those companies being HTC and LG, and Google didn’t bother to standardize this between the two… HMM oh well. It’s here not there but I finally have one that I can keep. My 2XL that hailed from Illinois works and looks just the way I like.