George... Your WAY out of it. OmniWeb is based on the hand coded OmniWebFramework and OmniHTMLFramework (plus a few others) which are all availible for download from http://www.omnigroup.com/developer/sourcecode/. Mozilla on the other hand is actually based on the Netscape 4 frameworks. Matt, OmniWeb has all those blocking patterns plus they can block images that are the size of ads. OmniWeb is still a chunk of the OS X browsers so not supporting it in their plugin is not what I call great. But it does work in IE and Mozilla so I can't complain too much