I've got piles of files and bunches of bookmarks with information saying iodine is vital and healing, even in large amounts.

Guess it boils down to who you trust and who you believe and what works for you and how you feel when taking it, huh? =)

The sales sites will praise the benefits of iodine all day long even with toxic doses.  The actual research will show you the associated toxicity.  Here is more to add to your files:

http://iodine4health.com/ortho/toxicity.htm

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC402249/?page=1

http://www.tandurust.com/health-faq-7/iodine-poisoning-side-effects.html

http://thyroid.about.com/od/newscontroversies/a/toomuchiodine.htm

http://www.livestrong.com/article/479358-dangers-of-excess-iodine/