While I'm OK with TIFF for high resolution work and zoom seems fast to me, you have your criteria. Try a few.
I can't guess if you wanted this in some 99 buck tablet but for such features, I'm on my laptop.
I know this type of question is repeated again and again but I have never seen a post answering what I am looking for -- most efficient and user friendly working with color images, charts and tables. I mean quick zooming up and down in good resolution and not interfering with reading (probably this will rule out smaller readers), ability to "pin" a picture to keep handy while I am reading further etc. Sound and video not important..