(I know you can't mix records between various region Ruby/Sapphire saves. (I know, the name was kinda cryptic) I scanned the E-reader nutpea berry into the save so you can use it for Pokeblock mixing. Go the long route, it's part of the journey. (I'd suggest not using these if you're on your first ribbon master.
They should be saved right before you fight Palmer. The names of the Pokemon in the file are the ones you should replace with your own Pokemon to do the Palmer battle. My from the land down unda, and I worked on a bunch of ribbon master saves earlier this year and have been talking about making them public forever.