I have the Z2 with a DIY Dazian matte white screen (1.0). I would not want to go any brighter, heck I use low lamp mode also, which I highly recommend unless you don't have control of your light.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85