I don't think we'll be getting help from someone like that. I'm sure there are a few resources on the internet that could help if we want to get into advanced netcode. Anyway, I'm confident in the new netcode, it's simple and effective, I don't think you have to worry about lag like in earlier versions.
I didn't really read all of the stuff in this thread, but syncing peds is a while away. If you just enable them, they will be different on everyone's computer. I wouldn't expect seeing synced peds for a while because it's going to take a special method to do it.