Taqwaconsulting - 6:18 am on Jul 17, 2011 (gmt 0)
My experience seems to be different with internal links. Internal links has rather proven fatal for my sites, than fruitful.
Probably it has to do with niches also, but my sites PR dint move an inch when i concentrated on the internal linking. Ofcourse, Panda update might have changed things now.