Some that are using Firefox 2.0 have noticed that ALT+S is no longer the shortcut to submit posts on the forum.
It has changed to SHIFT+ALT+S
Two possible things to do about this:
1. All references to ALT+S on pages where you submit posts need to include information about the difference in Firefox 2.0 (or perhaps a link to this post)
2. All Firefox users enter about:config in their location bar and change:
ui.key.chromeAccess to 5
ui.key.contentAccess to 4
This will allow you to use Alt for webpage shortcuts such as ALT+S, and Firefox's menu shortcuts will require Shift+Alt