so, you got an alpha yet?
If you use a scripting program such as XSE, you can create your own custom text pretty easily. All you need is advance map.
Creating scripts are pretty easy once you get the hang of it
Been some years since I've done any pokemon romhacking but I still know a little bit
Have they done a pure Team Rocket game yet? As in, you play as Jessie/James/generic Rocket member? Might be another idea that's worth doing. The young Professor Oak doesn't interest me, but I see the cool factor with that. Time to experience the great slog of actual work. Good luck and update us. It'll make it easier to keep at it when you want to tell people about it and show what you've done.
Don't ya hate it when people neg rep you, but don't have the gall to tell you themselves?
http://momsbasementpodcast.blogspot.com/ <----Me podcast about Tabletop RPGs