I've got that one saved as a pdf somewhere...
It's even got all the pics!
You did rather better than I did, I have it on about 26 PDFs, one per page of posting! Also have all saved as HTML with associated pictures, saved in the days before Photobucket messed things up and Lorien had to reconstruct the thread!
Also I have a PDF of Terry Primos tutorial on morticed tangs...but he cheated and used a mill

for both flattening and routing out the tang channel.
I think that what method you find easiest for making a hidden tang is very much dependent on the tools you have and the materials you work with. With only a Japanese pull-rip saw and no power sander or mill, splitting stabilized burl blocks accurately and flattening wasn't fun, but it was better than trying to drill deeply with a dinky drill press that had only 2" of travel, and no drill vise. When a bigger drill, and a vise came along, the race evened up some, but drilling straight and deep with a 5/32 drill, then trying to file the slot bigger was still not great. A 7mm pen drill (mine is Colt, but Fisch do one too) with a special tip ground for end grain and acrylic, along with a couple of home made broaches made the drill and broach method much easier than the saw and flatten mortice, even with a 9" disk sander.
Now I have a band saw, and power router type things, as well as much better chisels, so the race might still be on!