The problem is that when you reach speeds of about 8,000 wpm (speedreading) your comprehension plummets pretty fast. It gets to a point where you're better off reading a little slower.
The great thing with PRing is that it's all stored subconsciously, and when you activate it it increases your comprehension.
To be honest, most of the time (Andy still does this, I think) I just PR the material then ultra speed read it...it's technically rapid reading, but since I rapid read using techniques I learned in speedreading, my comprehension is still okay, plus my speed goes up.
I notice when I'm really calm and think gently, paragraphs at a time get activated. Last night I didn't even realize it, but as I was reading a medieval story called "Erec and Enide", I wasn't even reading...my eyes were going down the page and in my mind the movie version was playing...I stopped seeing the text as words, and the meaning of the words were directly being stored into my brain -- that cuts even more time out, because instead of going literature > read > brain deciphers meanings of words > brain understands, it went: literature > brain understands...
..it was pretty neat, but then I was like, "Hey, this is a pretty cool activatio session," and I lost it. I got excited and couldn't get it back. Maybe tonight =)
-Ramon http://razor.ramon.com