Work offline, load large saved page, program not responding, memory leak.
Firefox 4 not responding. To create: Load a largish HTML page (Kindle or PS3 pages from www.amazon.com), save as web page complete. Disconnect from Internet. Load saved page (work offline checked or not). Peruse page 1-2 minutes, note CPU and PF usage. CPU usage will go to 100% & PF usage rise rapidly