On Wednesday
Comparing the Nodachi OC plate with Nodachi top cap and iKon's Shavecraft 103.
Much like I remember from comparison shaves from the time when I owned this Nodachi head in stainless steel, the 103 was a touch more aggressive, but just as smooth, if not smoother.
Other than that, it was a draw after three passes. Nicks on the usual spots (see notes later on).
Today
Nodachi OC plate with Masamune top cap vs Homelike Start 0.90mm OC.
This was an interesting one - At first, the Start appeared to be smoother and more efficient, but I used the Tatara head after I've performed three passes with the Start and on the first ATG pass it was clear that the Dorco Titan went from fresh to bin-worthy during the shave.
Swapped it for another fresh one, and the rest of the shave was fine. I also performed a few additional touch-ups on the Start side, as the old blade left a few patches, which I wrongly attributed to me having trouble keeping the angle with the razor.
After that, both sides were about even, both in closeness, efficiency and smoothness of both razors.
Notes
Lately, I seem to have been nicking myself in the same spots, but couldn't really see or feel anything there, until today, when I realised that there's a curiously bumpy bit of skin under my adam's apple before I shaved, and similarly so near my mouth and on/very near my chin, on the very nick spots.
I reckon it's time I tighten up my diet, in case it's related, and go to a dermatologist later if it wouldn't help.
Some of this might've been due to me having a bit of a reaction to the Masto Miche B-Owl soap, which is really strongly perfumed, too, so I'll see how I'll fare in a few days.
I think I'll steer clear of the Dorco Titans from now on - it isn't the first time I one of the blade became practically blunt during a shave, although it was more obvious during today's shave for some reason.
So far, I think I'm kind of tempted to buy the Nodachi OC base plate and Masamune top cap should they be on sale again.
I'll ponder this again next year, I suppose.
I'm a little fence on titanium - the head is perhaps even too light for my taste, so I think I'd go for the steel one.