* Prompt telling them to update to FF4 on May 3rd
* ''(maybe) Homepage snippets telling them their release is unsupported and to update to a supported release''
==== Option 1 ====
* Press about FF5
* Prompt to update to FF5
* Minor update, when they restart they have FF3.6.18
==== Option 2 ====
* Minor update, when they restart they have FF3.6.17