Look up the AE Auto Enginuitey (sp) scanner. I think it costs about 400 bucks and you hooks up to your laptop.
It honestly sounds like you're overthinking it. Between your mechanical experience and the internet, anything is possible on a 6.0. Like i've said many times, I 've done way more with my 6.0 than i ever have with any other electrically controlled vehicle and have done just fine.
Personally, there's probably a ton of money to be made with them. I even got a free trip to Drummond Island with all the beer and pizza i could drink to fix one in the parking lot of the grocery store. I just got another offer of beer and pizza to help with an EGR delete this month.