Here are two posts that may be helpful in both explaining how to set up a robots.txt for wordpress, and the thinking behind setting up which parts to exclude.

http://www.cogentos.com/bloggers-guide-to-using-robotstxt-and-robots-meta-tags-to-optimise-indexing/

http://codex.wordpress.org/Search_Engine_Optimization_for_WordPress#Robots.txt_Optimization

The wordpress link (second link) has a link to several other resources as well.

Did the SEObook tool in the link below solve your problem, or are you still looking for a tool?

You also want to block any admin directory, plugin directory, etc. Are you using Wordpress or a specific CMS? There are often best-practice posts for robots.txt files for specific platforms.

I don't know of a better source for long-tail keywords (though I sympathize, there's not a whole lot of traffic data out there for rc model warship combat related keywords!). Would love to see anyone chime in.

There have actually long been complaints about the accuracy of the Adwords keyword tool. For some interesting discussion, see http://www.davidnaylor.co.uk/google-adwords-keyword-tool-the-difference-explained.html and the previous posts he links to. A speaker on AdWords at a conference last year said that the AdWords Keyword Tool should be on a Fiction bestseller list somewhere.

I had problems getting redirects for URLs with spaces in them working correctly on my own site, and ended up using the Redirection plugin as well, and it's worked like a charm.

The other thing I like about this plugin is the ability to see 404 errors and to set up redirects straight from that 404 list. If someone has linked to you and accidentally did a typo in the URL somewhere, or a comma got included in the hyperlink, you can see it in the 404 list and fix it right there.

Here are the quality guidelines for Google Local Listings. Related to PO Boxes, Google says "Do not create listings at locations where the business does not physically exist. P.O. Boxes are not considered accurate physical locations. Listings submitted with P.O. Box addresses will be removed."

http://www.google.com/support/places/bin/answer.py?hl=en&answer=107528&rd=1

However, they do now offer a way to list service areas for a business. Information about how to do this is available on the Google page for service areas.

http://www.google.com/support/places/bin/answer.py?hl=en&answer=177103