Originally Posted by Crowl
The crucial difference between your examples and something like the Galaxy Note is the width of the device and that is the true limiting factor on how large a device is comfortable for people to use and unless somebody has particularly large hands then current devices like the gsiii or the note are about the limit as far as how big they can go before they would be too uncomfortable to hold as normal phone.
...for one-handed devices like phones.
But tablets aren't one-handed devices, so applying phone ergonomics to tablets is really a non-sequitor. That is why we have 7-10in tablets, after all. (Way bigger and wider than phones because nobody expects them to be held in one hand.)
Casting this debate in terms of how big a phone can be misses the point of the OP which is how *small* a tablet can be and still be useful to enough people to consitutue a viable market.
Archos and several chinese generic device vendors have been exploring the sub-7in space for a couple years now with poor results so far; mostly because their target has been the low-end PMP market rather than small-tablet market the OP is thinking of.