View in Fit-to-screen or Fit-to-width modes, changed with a single click
Multi-mode searching - the usual facility to search from the Find dialog is there of course, but you can also use the filter box above the thumbnails to find pages containing that text. Typing "/" then some text will start type-ahead searching
Auto-scrolling - activate by the default keys (Shift+Up and Shift+Down) or by shortcut keys to your taste.
