Ubuntu upgrade updated me to FF 3.6.3 and the "File,Edit,etc" line turned black and I don't like it.
Upgraded ubuntu. It upgraded FF to 3.6.3. Top turned black (File,Edit,View, etc). Pulldowns turned black. Readable (lettering is white), but unpleasant. Using default theme, no others installed.
Every time Firefox opened
== Upgraded Ubuntu (from update manager). It updated FF to 3.6.3.