Steve Jobs Calls 7-Inch Tablets 'Dead on Arrival', Says 10-Inches Minimum
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...Commenting on avalanche of tablets heading to market. Just a handful of credible entrants. Almost all use 7" screen, compared to iPad at nearly 10" screen. 7" screen is only 45% as large as iPad's screen. Hold an iPad in portrait view and draw a horizontal line halfway down. What's left is a 7" screen...too small. There are clear limits to how close elements can be on the screen before users can't touch accurately. We believe 10-inch screen is minimum necessary."
I wholeheartedly agree.
I hope the next iPad bumps the screen size by an inch or inch and a half. Or somebody else comes out with 10"+, but not the 16x9 cheepo screens.
Then finally we'll have a great PDF reader