What type of Blackberry application is appropriate?

There are 3 way for custom applications on Blackberry: J2ME, MDS or Blackberry browser application. A question is which way to go in which case. We have discussed this topic with the guys from RIM during our workshop in Waterloo, Canada. I have summarised the results of this discussion in the following table, which I think may be a useful basis for decision-making during the planning phase of a project. (click on the picture for a larger view)