Got mine today, overall not to impressed at all with the device, boxed up and waiting on RMA email now for shipping back.
Overall summary of device IMO...lag. Just everything i did on it just seemed to be slow. Didn't even take the camera outside after comparing indoors to my 5s.
I know all the tricks for Android regarding fixing stuff and such as i had have had pretty much every flag ship from all brands over the last 2yrs now but i didn't even bother. Shouldn't have to be doing that stuff out of the box. The phone did apply the latest update once i powered it on. I did not restore any apps or anything from backups.
Kinda sad about it, i think this is the final round with me trying Android out

If the Nexus 5 didn't do it for me none of them will.