Some of my search result pages can get pretty long. And there is a nice, very simple module that will give you the auto-return to the top thingy that is so nice and convenient:
Scroll to Top was the easiest module to install ever. You literally just enable it and it starts to work. Very nice. Now, on long pages you get a floating up arrow in the bottom righ hand side of the page that will allow your user to get back to the top quickly.