I am having my Xperia ZR M36h for 3 months and it was lovely. A little bit thick but happy I was able to switch batteries, being powered with my only 5000mah extended battery out off mpj, running average about 2 days off one charge. Basically no lag if it is not with many games. The screen is large and bright but fits my hand quite well. Besides, I think the sound is great while playing music through the speaker! What feature impressive you most?