killroy - 10:21 am on Aug 12, 2006 (gmt 0)
In my experience, user error can eaasily defeat any number of protections and security features.
What I would like to see is a permanent virtual machine, with a System restore like roll back (i.e. incremental backup) for the entire VM. Let them do all their browsing in a VM and keep it isolated and readily replaceable.