OK, so this is the plan. Info and images are from JetBlue, resized to make them forum-appropriate.
Phase 1 is to restyle older tired A320s with their A321 interior. I think they're doing this because it can't wait.
Phase 2 is to install new Rockwell Collins Meridian slimlines (This is what Southwest is using, except with IFE. IFE
appears to be similar to Virgin America's Red; android based with many entertainment options)