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While I realize that Joes desire is to ram the Genie back in the bottle, and his list is intended to be a comparision between the common chip (as opposed to the unknown potential of a "super chip") and an open system, just for perspective, I'd like to add some comments:
!- Traction control. Already being done, and not just through chips/EMS. Legally as well. BUT...how important is it? It's a bit debatable as to whether its really useful in an IT car. Some will say, "Yea, maybe not in the dry, but what about the rain"?? Ha ha...how many IT guys have working defrosters?!?! And they are going to have instantly adjustable (from the cockpit) variable traction control settings? Uh huh...
2- Conversion from batch to sequential - A- Only on cars with discreet wiring could do this, and B- it's been possible for 5 years now ..
3- Finer data points- Again, currently being done, but also, not so much of a gain in HP, more of a gain in efficiency, and more useful for enduros.
4- VANOS control- A- As read above, thats possible with chips, and B- again, already being done.
5- Timing control- Actually, there are ways to gain timing control without using an EMS, and it's being done, but it's not too high on most folks list, as again, it's not considered critical (read back to Phils comments) . Also, many stock ECU are doing it, so there are no gains possible for those systems. And no allowance for new knock sensors means that won't happen.
6-& 7: Bypass idle air. (For those who don't know what this is, it is the reprogramming of idle air bypass valves to open at full throttle, which adds extra air going into the engine around the throttle plate, and the required extra fuel) A- this is flat illegal, and it's a red herring to use it in a discussion such as this., and B- again, it's being done, on several levels.
Now, looking at the list, I wonder if the average IT guy even knows about what is currently possible, and what is currently being done??? And, if not, have they noticed that the apocalypse has come? I doubt it.
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Jake go back and read the question that was posed. You are so jacked up about being right your missing what was being answered I am begining to think your personal desire to prove me wrong is getting in the way of your being objective....If you want to be my personal stalker then maybe you should hand in your adhoc title and chase me around the web full time. We all know its being done. That was not the question posed. The question was what can a aftermarket system do that a factory system cannot...I gave basic examples of it. Show me a fatory system that can do traction control with out wheel speed sensors and is actually effective. As far as traction control that works I have used it first hand.....you?