I read an article somewhere this week (can't remember where) comparing the current percentage of central bank money in gold assets to the percentage since the 1970's. The gist of the article was that a very small percentage of central bank reserves are in gold, and that given the volatility in world currencies, all central banks were likely to scurry towards gold. I'll forward a link if I find it again. In that light, articles like this are interesting:

http://www.gulf-times.com/site/topics/article.asp?cu_no=2&item_no=325029&version=1&template_id=48