Ending refueling during the race did a lot reducing the time required and therefore positions lost when you come in - so _some_ changes are good, though I agree most don't move the needle at all. This season is great - coming down to the last race to see who comes out on top between Vettel & Alonso...even if only mathematically, I couldn't really ask for too much more.
A few years ago they were discussing making qualy 3 short "sprint" races where the fastest of the pack start at the back of the next sprint - now that would be cool.
Edit: Forgot to mention how much I love seeing anything F1 related on HN.