For what it's worth, 1. Lion/iOS-style scrollbars are currently enabled on the nightly builds of the "UX" branch, and will hopefully be merged into the mainstr

For what it's worth, 1. Lion/iOS-style scrollbars are currently enabled on the nightly builds of the "UX" branch, and will hopefully be merged into the mainstream release soon. 2. Lion-native fullscreen landed in Firefox 14, which is the current "Aurora" build. It will enter Beta in 6 weeks, or Stable in 12 weeks.