I don't know if I can do any better job than you did, YJason!
You have grasp of what's going on.
I'll tell you who can give you a better advice than the guy at a 4X4 place is the tech crew at MSD.
They are REAL sharp guys.
Tech line is 915-855-7123.
There is no need to change your distributor.
The pickup coil in your distributor is exactly the same type that MSD uses in all of their expensive billet distributors, and unless you plan to try and run NASCAR with that 6 cylinder, the distributor you have is just fine.
All you need is the MSD 6 series module.
If you go to the wider cap, like in the 'TeamRush' ignition upgrade, you will reduce crossfires, multiple fires to more than one terminal, and firing to ground that results in dead misses.
Using the taller rotor with that cap keeps the spark energy from finding it's way to ground inside the distributor.
If you need instructions on this upgrade, which uses all off the shelf parts for ford trucks, let me know and I'll re post it.
Going to the E-core (TFI Style) ignition coil will give you stock ignition some real fire power.
(Do the cap and rotor upgrade so the spark energy created by the coil can get where it's supposed to go, when it's supposed to get there.)
The MSD module will work equally well with your stock ignition coil or most of the aftermarket coils.
The MSD module doesn't care what coil is hooked up to it, with the exception of a few 'Mega-Super' coils.
Buy the MSD adaptors to wire to the stock connectors so you can still go back to the stock ignition in a pinch, or if you sell the vehicle.
Let me know if there is something you don't understand.
Later folks, Aaron.
"I Have The Body Of A God... Buddha"