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ISP Information pages

I have posted a ISP Information Page. Right now it contains links to Postmaster pages, Whitelist signup pages and FBL signup pages. I have some ideas on what information would be helpful to add, but would like to hear what types of info people would like to have easy access to.
What do you think I should add to the page?

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Deliverability versus delivery

Deliverability is a term so many people use every day, but what do we really mean when we use it? Is there an accepted definition of deliverability? Is the concept different than delivery?
At a recent conference I was running a session talking about email delivery, senders and the roles senders play in the email industry and at that particular organization. The discussion went on for a while, and the subject of deliverability versus delivery came up. J.D. Falk had a comment about the difference that resonated with me. Paraphrased, he said:

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Verizon does not have a FBL

When I posted my initial cut of the ISP information page earlier this year, there was a comment asking about a Verizon FBL. At that time, I talked to some of the people-who-would-know over at Verizon and asked if they do have a FBL. The answer was a definite no.
For some reason, though, I continue to receive questions about the Verizon FBL. Based on the questions, the best I can extrapolate is that there is an ESP out there, somewhere, that states they have a Verizon FBL. It is possible, albeit unlikely, that they have a special agreement with Verizon. However, there is no generally available Verizon FBL.
If Verizon does make a FBL widely available, I will mention it here and update the ISP information page with the data. Until then, be very cautious with claims that there is a Verizon FBL.

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