Wait for 2016 model?

Planning to purchase a RAM ecodiesel, but since I'm not in a big hurry, wonder if it's worth waiting for the 2016 models. Some of the new items (better fuel economy for example) may be just rumors, but maybe not. Anyone have any knowledge what 2016 will bring to the Ecodiesel?

Also, can anyone recommend a dealer in San Diego or LA area? thanks!