Default Reader?

What do you owners think about using the tab as a reader?
I'm thinking about investing in either the 8.4 or the 10.1 as the reader. Simply for things like news articles, blogs, and maybe even using the Amazon Kindle app to read books. How much stress would it put on the eyes?
Android - Samsung Galaxy Note 3 (Black) - TWRP / V4A Fx & Hifi
Apple iOS - iPhone 4S

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Retired: Sprint HTC One (Black Edition) -> Samsung Galaxy Note II (White) -> HTC Evo LTE -> HTC Evo 3D -> HTC Evo 4G -> HTC Touch Pro2 -> HTC Touch Pro -> HTC Diamond -> HTC Mogul -> Treo 700w -> Sony Ericsson Ti68 -> Nokia 8890