I ordered the N-gen kit last Thursday and it arrived in USPS mail today. It was a very simple kit, with very few parts. I guess I still don't understand Elecraft's pricing on this (a tiny fraction of the parts in the K2 at about 8% of the cost), but it was fun to put together and will be a nice tool in my shack.
The next step will be to align all the filters using Spectrogram and the very detailed procedure described in this document at the late N0SS's archived web site.