I wonder if any teams are going to have a successful 3-ball autonomous this year. I know that the 3-tube auto in 2011 was thought to be impossible until the pink team showed everyone up:
http://www.youtube.com/watch?v=YTs3b2w_GSw
Relative to a 3 tube auto in 2011, a 3 ball autonomous in 2014 will be easier because:
It is legal to hold more than one ball at a time
The balls can be shot into the goals, which might not require as much movement
Alliance partners could theoretically feed balls a la 2012.
However, there is one huge factor that makes the 3 ball auto ridiculously hard: 10 seconds.
It might happen somewhere, sometime, but it will certainly be quite a difficult challenge, and my hat goes off to any team that does it.