Avman - Agreed. Count those rows and check to see if your nearest exit is behind you!
R.P. - I follow a similar rule. If I am in Biz and have no checked bag, then I will move as soon as the person next to me does. If I have a checked bag then I am usually last off, irrespective of where I am sitting.
With regards to the bottles incident, I have heard that the aisle seat is where most injuries occur. Either during loading/unloading, or during turbulence with lockers opening and their contents falling. One of the reasons I prefer window seats!