I got my K4 in my hand! It was in mailbox! *phew*
My first impression. Very tiny compare to a K3, Not as light as I was expecting. My Pocket Pro defiantly is lighter but it is light enough and very lighter then my K3.
The Screen is disappointing. It's has grey cast to it and the text is definitely not black as my K3 it's a very dark grey. I put it next to my K3 and realize that my K3 background looks white compared to the K4.

It's possible the glass used is the problem here I don't know... it is not the same kind as the one used on the K3.
I will not be getting rid of my K3 as I agree on the quality is defiantly not the same on the two.
I know people say the glare is less on the K4 but I find it more.

I do wear glasses though keep that in mine.
However those upgrading from a Vizplex screen this will be a improvement but no where near the K3 screen quality. So those giving up their K3 might want to wait and make their own judgement. I am super picky on blackness of text not so much on background but I hope to adjust to it.
I do still see this getting lots of use for $79 it still a great deal! And it fits my 3Feet stand perfectly!
I however will be cancelling my Touch order and getting a T1. I need really black text like my K3 and so I am a tad disappointed but I'll deal.
I use these settings when reading. The 4 largest Font Size and The Condensed font. I will post pics if anyone wants to see them.
Edit: I got it upgraded but how do I change the refresh settings? I was able to set my main kindle address now. To bad they can't have separate email addresses. I also notice a setting in MYK if I paid $30 I can later remove the ads if I want to but it so tiny I don't think I will but it's good to have that option. I cancelled the Touch.