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I am experiencing the same thing! I just added my URL to Yahoo! directory (not search results), and I am getting the same error. Maybe, there is some kind of maintenance issue they're having? I tried it with 3 different browsers for my site.

Great thank you. Duplicate content is a good point.  Using SEOMOZ tools should make that easier to manage

I will do so. And hope to get that back.

yes, you could preserve and possibly increase your rankings. First, Index your valuable resources ( content, urls, metadata,  keyword rankings, etc) that have to be preserved. If you use  Joomla content management system & sh404SEF, you may rewrite URLs and keep them the same as on the current site. Here is an example of site recently migrated without losing its rankings: http://www.alaskaflyfishinggoods.com/new-flies-for-2011/view-all-products.html http://www.alaskaflyfishinggoods.com/

If you mean viewing the source of the page and the actual html elements that is what I did. With Javascript turned on all of the html elements show up. With it turned off they don't, thus much of it is being written via javascript. Instant preview on that page from the google serps does not show all of the comments, just the likes. However the cached version of the page does show all of the comments, but it must be some sort of screen capture because the majority of the comments do not show up when viewing the source of the cached page. So not sure that really confirms anything. I guess to find out you might have to do a controlled test.

As a testament to the concept of a highly informative resource page a-la the TNJ example, I went there to see what it was like, and just read the entire page's content, it was that interesting.  So that would be a good start, though the 2nd "very ugly" example is of course, more likely for long-term success.  Throw in an infographic of facts related to the topic you're creating resource pages for, and then promote through social media. The concept it's got to be highly note-worthy, unique, or uniquely grouped content.

Maybe even a robots.txt for a particular page like "advanced catalog" for ecommerce sites.

My rankings dropped as well, although we got a relevant link from bbc (linked with only the url)... I didn't see any positive impact on that yet.

Or if you are looking to post your articles on a reliable PR service which usually shows up on Google News I recommend - http://www.officialwire.com (yet it is a paid service) for a free service I recommend http://www.prlog.org

The PR flowing through will be divided by the total number of links on the page (not necessarily equally), regardless of whether they are internal or external. I have seen various articles suggesting that maybe external links "could" receive more worth than the internal ones but it's hard to be sure. I can say that the 3 links would not get a third of the total PR in your example, the internal links would dilute it.