Thanks to Bram Ueffing, who posted two screen recording tests to YouTube.
See them after the break.
Tested subsequently with: Foxit PDF, iBooks, GoodReader, Documents. Documents seems to use hardware rendering, which made it the best performing overall. GoodReader uses it’s own swipe mechanic, which felt less responsive to me than iOS’ default.
290MB full version of The American Magazine:
I don’t know what to make of these. I’m not used to screen captures like these.