Sorry it took so long to look at this. I have been up to my ears
in work. Seems like the norm for me recently.
Ok, right now, there is no reason to be concerned with such
pages. They may even help out a great deal. If these get popular,
then the search engines will see them as just another ranking
scam. They will put penalitis on them.
I think it would be great for a bunch of sites to try this out
and see if it realy works well or not.