Okay, as I thought the beginning of the message wasn't important.
And yeah, Oda says that he should have send the script for the moment this letter is being reading, he also says that for that moment he should have met the voice actors but it seems that someone told him to not do it(his editors i guess?). He wonders if he will be able to draw chapter 1000 good(and i remember the seiyuus laughing and saying that he will when they were reading the message). And yeah the important and new info is that the guy with red hair might start to move slowly