Originally Posted by JPenguin
I suspect the black flash is hardware dependent but the current lag between page turn button presses and actual page turns could be fixed in software.
There are some software fixes to reduce the flash. Shifting from performing a full screen refresh per page turn to a partial will reduce the black flash, but increase the amount of noticable ghosting on the screen. Some readers, and I think the Kogan does, is do a partial refresh for a number of pages followed by a full.