The majority of my duct work was re-used, but additional junction boxes and a "Zone" control were installed in the attic with the blower unit, as well as an auxiliary heat coil.
Here is the blower unit, you can see the return ducts in the back of the unit:
And here is the delivery duct work:
So, is that it? No, there's more. I'll post the finishing touches at a later time. It's 12:08AM and time for bed...