While I've enjoyed learning a thing or two about compressors and limiters, it seems a formal tutorial series on Logic's plug-ins would be great. As, in general, they are relatively well respected, most of us use them often, or most often. Any chance this is coming?

Try this tutorial. It's for logic 7 but it close to what you need. Logic 7 202 Logic's Plug-Ins: Unplugged 30 videos | 142 minutes | by Steve Horelick