>>4468729compared to the GR2 the price of GR3 is insane
and for what, a few megapixels more and IS? the megapixels WOULD sound enticing if low light performance weren't worse than a 1 inch Sony sensor, given that it's a HUGE sensor
which reminds me...
speaking of low light,
>>4464164 Nikon Df (smallest full frame digital SLR) and Zf (mirrorless that looks like the bastard child of the Df and a Sony) are also options: weather sealed, excellent high iso without any noise, it's a nikon so you could probably grab a photo before it runs away...
or if you are an autist, a Sigma fp L (61 megapoxels but slow readout) or a Sigma BF (brand new out of the oven)... both are weather sealed bodies