Well I ran across this news item tonight and thought I should share. To enable most web sites to display properly in FF3 you have to have Java and JavaScript enabled. While I basically understood this could cause issues if a web site was careless and or had been hacked, I thought since I don't tend to venture too often I thought well...
I then read through this article and decided it was time to improve my web habits. I now have 3 add-ons installed and am using in FF3 - IE Tab, AdBlock Plus and NoScript.
NoScript is awesome. I can now selectively allow or disallow scripts on a per web site basis including embedded scripts from third parties. Fantastic!
NoScript