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I find it impacts 22% of traffic actually.

Keep it easy man.  If it is a one position drop, monitor your CTR and whether there are new competitors in your SERPs that have maybe just pushed you down.

David is spot on aobut the titles and urls.  Large DB driven sites tend to cause big issues off of simple mistakes in coding or content entry.

I have to say "Crawl it" again.

I would crawl the site and look for and spider traps or potential duplicate content.   I make it a point to do so every time I see one of these notices and I have found things after these notices that could potentially  or havecontributed to a Panda filter.

Although I do recommend at least weekly crawls on larger sites, these notices area  good prompt to do it if you have been lax on your audits.

Think of the Yahoo Directory.   It has cost associated with it and a listing there indicates a real website rather than spam.  Whether no-follow or not, if a directory carries trust and authority it is beneficial.

Regardless of what is said, these listings do add to your metric profile and do contribute to ranking.  Just like all the other "non-working" link types (read Press Release etc).

Don't believe me?  Go disavow or remove all your no follows.

There is amazing trust flow with press distribution and it is VERY possible to rank certain queries with Press alone (read low comp local), however, ignoring the branding and view/traffic potential is a mistake.

Do not believe the hype that they are ineffective as an inclusion to your ranking strategy.

I like to use my keyword in url, a synonym with hi cooc and CTA in title then another synonym with high cooc in h1.  Careful with anchor text if you use keyword in url.

I would just use cross domain canonical and look into the other issues with your website that have triggered Panda.

They should return.  Are you positive the pages you are analyzing have links pointing to them?  I just checked a few forum and network pages in opensiteexplorer, lrt, and majestic - all brought back results.

Perhaps a sample of the page type you are talking about?

Firstly, is there anything wrong with the move? Could I have lost my rankings for this reason?

It appears there may be an issue with the redirects.  I am seeing strange headers resolving elsewhere beside your new domain.  I would ask your guy to look into them.

The 301 is hitting the new domain but there are 302s in the header response codes pointing to another location as well.  SEE: http://screencast.com/t/53MnOfHCK3

ADDED Below due to a complete lapse in memory of country specific functionality.

Keep in mind that could just be country specific redirection based upon the tool so don't quote me but I would disable the functionality after a move.

My notes on disabling this are to add the following to blog head section:

Did you do a 301 one from one page to its new location or a generic 301?

If you did not redirect page by page you will def see ranking loss.  If that is the case get in there and write the rules that handle each page itself.

If you did redirect each URL to its new location give it some more time AFTER crawling fully and doing a tech audit.

Maintain the single account.  You want to concentrate your efforts into a single location for interaction and max SEO benefit (testing done you naysayers so shush about it not being beneficial)

Studies have show an optimal interaction (tweet) rate is roughly around 4-5 tweets a day.  I have a feeling this is because people are sick of seeing what others had for lunch or when they went to the restroom but keep these numbers in mind.

I would suggest a business keep it below 10 tweets a day at max as you are not an individual user.

I can watch soft 404 errors increase and know there will be a week to two week period with lower SERP scores.

They absolutely can affect your campaign.

If you themeforest themes are meeting your page speed and other needs then there is no reason to go with a different framework.

Themeforest is location where multiple developers input their themes so there is not a general issue to be found.  This is mostly elitism and personal preference you are finding.

However.  Genesis is doing a good job of moving into the semantic web and using proper markup.  It is these kinds of things you should consider in the future.  That is not to say that you can not achieve the same results with your Themeforest purchases either though.

I use my homepage differently for different campaigns but in your case I would target your top level query and location set.

So if you are a general contract that offers multiple services then your index page would discuss your brand and how it is a general contract that provides these services.

This page would link into your individual service silos but be optimized for the jar term (location general contractors etc)

If you serve multiple locations to the point where your silo structure becomes too deep I would suggest looking at subdomains as a way to break apart top level services.

2 cents

Look into Onlywire.

Loaded question.

There have been G employees going public saying they are Panda Indicators.  These are something that are present in the profiles of quality websites.  Your goal should always be to emulate the best of the best so I do not think it is something anyone should ignore.

My data shows they are an influence on certain elements and due to that I am comfortable saying that they are a necessary element to any seo campaign.

Heading over to Quora, Yahoo Answers and related site types is a great way to seed your FAQ type posts.

Try to answer these questions with as much detail as possible as it will gain return readership, especially if their pain was relieved.

You can worry about the finer details if you would like but providing relevant help answers to industry questions is always going to be a plus.

If there is conversation going on in your market I would suggest you be there.

Michael Edwards list the benefits nicely.

You will be surprised the content ideas that arise while conducting conversation in your space if you keep your eye out for industry woes/pain.