And want happens to the PageRankô the links carry, when they arrive to a dead end (dangling/node) page?
Honestly? I don't know. Also, I'm not concerned with PageRankô in this scenario. In fact, I was just Tweeting the other day that I haven't seen the little green bar in over 2 years. We don't even discuss PageRankô around my neck of the woods. It is a misleading metric in many instances.
Since these areas are usually not heavily linked to from within the primary areas of the site, any PageRankô flowing that way will be minimal and of no concern from my perspective. I don't want those documents to be in the calculation - period.
As I stated above, not many documents get the noindex, nofollow. The majority of my use is noindex.
Does anyone other than Google "really know" what happens with PageRankô ? It's all a guessing game for the rest of us. ;)