That's a great point, I haven't thought about that much. It's like you're re-raking the code with every port, essentially doing a partial rewrite and refactor,

That's a great point, I haven't thought about that much. It's like you're re-raking the code with every port, essentially doing a partial rewrite and refactor, with all the benefits that come with that. IE5 is one of the most solid browsers I know.