Why would a web browser need an ad blocker? Do that in your HTTP proxy or DNS server. I recommend Polipo or Privoxy as I've had success integrating them with EasyList.
> Why would a web browser need an ad blocker? Do that in your HTTP proxy or DNS server.
In order to be able to perform URL-level blocking without a proxy; and in order to be able to perform context-sensitive blocking and CSS blocking at all.