One alternative may be http://www.memorizenow.com/
Seems very good too. I am looking if i can save sessions
Notes edited : Yes, we can save the session in an html file.
What I am using to do this confortable is with the browser Opera - or any other one you don't use often - to propose the webs you need to mantain for this memory target.
Configuration-Open a group of page when we launch the browser....