Matt Neuburg and Chuck Joiner talk you through Lion’s new features in this MacVoices podcast. The takeaway message: remain calm. follow link
Option-Click in Scroll Bars for Jump Scrolling
In Mac OS X in general, and thus in most native Mac OS X applications, hold down the Option key and click anywhere in a window's scroll bar to jump to that spot (rather than scrolling one screen). If you like this behavior, you can make it the default in the Appearance preference pane. For "Click in the scroll bar to:" select "Jump to here."
Meet Lion with Matt on MacVoices