Firefox: Google ToolBar Keyboard Shortcuts

Anywhere in browser:

alt+O
gives the search box keyboard focus, (The default firefox search Box can be accessed by ctrl+k)

Inside GoogleToolbar's Search Box

enter
executes the search and displays the Google search results in the current tab

alt+enter
executes the search and displays the results in a NEW tab

shift+enter
"I'm Feeling Lucky"

alt+shift+enter
"I'm Feeling Lucky" in a new tab