Last week I blogged on speed reading.
One interesting area of research is rapid serial visual presentation (RSVP) of words. Unfortunately, while RSVP can significantly increase reading speed for short texts, the available evidence suggests that comprehension suffers for longer texts.
However, here is a Quantified Self video making the case for RSVP
Kyrill Potapov: Finding My Optimum Reading Speed from Quantified Self on Vimeo.
peakmemory 
Yes, the brain is not wired to do both: speed reading and comprehending long text at the same time.
I’ve always been very dubious about “speed reading”