Hi Tiny,
I still have my 2nd generation Nexus 7 and use it for reading and sometimes light document creation with a wireless keyboard. I would like to see Google make another 7 inch tablet but I'm not holding my breath. As phones got larger and average screen sizes increased, most people use their phablets as tablets. I guess the best screen to use is the one you have with you at the time. I still think the movie/tv viewing and document creation on a tablet are better than on a phone. Maybe one day they'll come out with some new feature that becomes the 'killer app' for a tablet form factor. Interestingly, I see the most common use for tablets these days to be using it as a way for children to keep entertained...playing games, using educational software and watching movies. I see more young children using tablets than adults.