Rated 5 out of 5 stars

Pros:
Since Firefox does not provide a native way to configure Keyboard Bindings, this extension is currently the best solution you can find to enable your Home/End keys and restore some broken functionality.

Cons:
No preference panel, so if you need to change something, you have to hack the extension/platformHTMLBindings.xml to do so.

Aside:
We still need a better API from Firefox side, having to hack platformHTMLBindings.xml sucks.

This review is for a previous version of the add-on (0.4.2).