Very good question, and I don't know... let's do some tests. (There's another thread about using severed fingers to activate capacitive sensors.)
With all the text on the DR's screen, you won't have to change pages often.
Harry, this video gives a clear view of the deluxe cover. You'll see it has extra space at the top for a couple of pens.
http://www.youtube.com/watch?v=smtp8P267Zs&NR=1
epiphany, I bought a light wedge (non-Sony) off ebay. I'll bring it to our meetup.