I just updated
http://www.amazon.com/gp/help/custom...deId=200774090
and tried the KF8 sample
http://www.amazon.com/gp/feature.html?docId=1000729511
I hope to see lot's of books taking advantage of the new features, esp. svg for illustrations in technical books. Panel view is also cool.
I haven't noticed any change in clarity as suggested with the new font.
What's your impression?