Recently there was a test comparing the Mozilla-Google phishing protection to the MicrosoftIE phishing protection. You can see the detailed results.

This is pretty interesting, but what about Lijit and the Netcraft Toolbar?

There are more than two service providers here, folks, and their different systems for marking the data make them all interesting and potentially valuable. So, how about it. Let's see a larger battle between all of these security data providers.