In order to make it easier to get driving directions and see an intersection or area before you actually get to your desired location, the Google Maps team has integrated driving directions with Street View.
For example, take a look at this:
When you first click on the map, you get the driving directions.
More specifically, in this new update, click on the camera next to the driving directions to see the specific place where you'll need to make a turn:
Cool stuff. :)
Forum discussion continues at Google Groups.
Update by Barry: More specifically, you can click from directly within street views to your next turn. Plus it shows you what turn to make from within the street views overlay: