"Extrude Faces Along Normals" works exactly as "Extrude Faces" I have a sphere like this:



When I press Alt+E and Extrude Faces, it works like:



As I'd expect of it. However, when I 'Extrude Faces Along Normals', it works like:



...and I can't tell the difference. What I expected `Extrude Faces Along Normals" to do is something like:



But I can't figure out how to achieve this effect.

EDIT:



I tried the 'Extrude Along Normals' tool on Tool Bar. As you can see in the picture, no luck for this one either.
Make sure your pivot point is set to median.
Otherwise it won't work as expected.