How would you change the overtime rules?

[CRedskinsRule]

I actually like overtime, and Mike and Mike pointed out that 4 out of the last 5 playoff overtimes, the coin flip winner lost the game. (I don't know if that is true I did not check).
The one change I would make is to say that an overtime game has to be decided by 4 points or more, maybe only in the first 5 minutes, so that a cheap field goal doesn't decide the game. That's what I would like