[Air-L] archiving web pages?

I've been using a combination of httrack, the scrapbook extension for firefox, and print-to-pdf to archive web sites but some of the more complex sites are difficult to save with these so I was wondering if anyone knows of other, more powerful, ways to archive modern web sites that use a lot of javascript or don't display the full page until you go to the bottom of the page or things like that. Thanks Bryan-Mitchell Young