[apocalipto9]

Hello everyone! I searched this forum while not registered in hope of finding an answer to my questions.
I want to buy a device which will be used to read ebooks and manga.
several questions have risen since i started my research(right before black friday).
for an e-reader i consider only the kobo aura hd since it has a high resolution and is open (thats why i wont consider kindle, because it is close to everything not amazon).


1. are tablets causing eye strain when reading for long?
only when reading in the dark? maybe there is an app to help (i read something about that)
2. are the zoom+ drag options on the kobo aura hd sufficient to read manga?
3. is the kobo aura hd's screen big\with high enough resolution that mostly you wont come into small texts that you have to zoom to read?
4. is the black refresh really annoying when reading?

im really looking for feedback from people using the HD or H2O(same resolution and size), and from people reading books on tablets, since i already understood that for reading manga, reading on a tablet is much easier.