I agree, we have more and more passwords to remember: intranets, webmails, e-commerce, … Let the browser manage and fill by itself logins and passwords is nice. But don’t be lazy! Do not use this feature and type always your personal data by hand! (in the same time, it will train your memory 😉 )
Recently, a security breach has been discovered with the Firefox password manager (see: http://www.securityfocus.com/bid/21240/info.
The second part of this article is available here.