It would seem that something quite useful is coming out of the "browser wars". Both Microsoft and Mozilla have announced enhanced security features for the next release of their products.

http://www.securityfocus.com/news/11508?ref=rss

Personally, I give the edge to MS, as they sell mice, and my spies tell me they are working on a new one that detects a luser and stops "clicky, clicky" from working