1. + l = focus address bar
  2. + d = bookmark current page
  3. + k = focus google search bar
  4. + f = find
  5. + g = find next
  6. + t = new tab
  7. ⌘ + w = close current tab
  8. + shift + t = reopen accidentally closed tab (Best one ever!)
  9. crtl + tab = tab through tabs
  10. crtl + shift + tab = tab backwards through tabs

Bonus for Delicious Extension users:

  1. + Shift + . = pulls delicious page if you have delicious firefox extension installed