Personally, I prefer the Kindle touch. The main reason is the contrast. The problem with reading on a tablet. (thru the Kindle app) is that the screen backlight starts hurting your eyes. The Kindle, Kindle touch and Nook readers use an e-ink that doesn't cause eye strain.
I've read books both ways...the Kindle (not fire) gives the best "almost book" feel.
I will still buy "real" books, but I love carrying my Kindle so I always have an "emergency" book on hand.
Hope that helps! Posted via Mobile Device