Since I am an evil, evil person, I am going to suggest you check out this one, instead:
https://www.mobileread.com/forums/showthread.php?t=61908
You might like the pearlescent white version.
It is very thin, but solid.
Feels like a solid metal slab with no flex whatsoever.
If you're coming from the Ebookwise (my mother has two) you'll like the layout on the Pocketbook 360.
The 6" Aztak is a pretty good bit of hardware and you have a choice of at least three sets of firmware, depending on your needs.