Tell me about it Roger! I'm going through for a Heavy-Duty Mechanic, and if you don't show up to class without your laptop your screwed. They are training mechanics now to do this: Step 1) Hook laptop up to main computer. Step 2) read what computer spits out at you. Step 3) Turn to equipment owner with a sad expression and say that the computer says that they need an engine overhaul. All that they are teaching us basically is how to replace engines and transmissions. We ain't learning how to fix a blown piston, we are learning how to replace stuff! A lot of new mechanics will go out to a call on some oil rig in the middle of the bush with no tools, just their laptops to tell the guys whats wrong with it. (Man, do they ever get funny looks when it's an old D8 Cat that doesn't have an on board computer! ) This ain't what I signed up for, I signed up to get trained on how to actually fix equipment, not to be an IT guy! Oh, and my favorite Dukes vehicle is Cooter's tow truck! (just to stay kind of on topic! lol)