There have been a couple of reviews/comparisons of the Sapporo already so I don't think a review is in order at this time. Instead, now that I've had time to use the pen a little more and perform several cleanings for ink changes, I have just a few comments to make.
I am still in love with the pen. All the positive things said about this pen line still hold true.
The MF nib is a delight - smooth and fine with no hint of tooth. Compared to other Sailor nibs, it's truly, IMO, a middle ground of their fines and their mediums.

Compared to Western nibs, it's what I would call an XF. I've noted in my comments on the Sapporo Mini F that the F writes much like an XXF to my eye. If you look at my scan you can see a comparison between Richard's XXXF, the Sailor F, the Sailor MF, and a WM F. Ink would make a difference there probably. But using the same ink in all pens would shift them all in the same direction (a little wider if I went with Diamine perhaps.)
Here is the link to that image - I forgot to put it in and appreciate superbleu reminding me.
http://www.fountainpennetwork.com/forum/in...st&p=615964The color is what drew me to the pen in addition to the fact that I love this pen design and had excellent OOTB experiences with the Sapporo Mini. It is a beautiful vibrant orange. Not metallic but a nice high polish. To my eye it's a true orange and not the "orange" of many vintage pens that look pretty much red to me. However, it definitely leans red v. leaning toward gold. I think the GT furniture suits it well. I've seen the silver and it is nice too but the gold seems to let the pen color take center stage.
All those other things - balance, quality of craftsmanship, size, section diameter (about M200 size) have been discussed by others and IMO are all 5/5.
Still, a couple of issues have presented themselves that I don't care for. They aren't enough to discourage me from buying another Sapporo. Just enough that since I was so infatuated that first day, I believe should be mentioned to temper my "Oh, purdy purdy purdy. Perfect perfect perfect." reaction.

Small Gripe 1) it seems to take forever to unscrew the section to get to the converter. This is true on the minis but I hadn't noticed because I use carts (with those tiny fine nibs) and don't have to refill often. Because I was doing rapid ink changes the other day, it quickly became annoying. Finding the perfect ink and sticking with it will reduce that annoyance.
Small Gripe 2) the converter. The "base" of it wants to unscrew when I am trying to turn the piston CCW (preparing to draw ink). It has come undone on a couple of occasions. I've never used a Sailor converter so I don't know if this is typical or not. It has good capacity so I'm not sure if I'll put up with this or go to cartridges. Anyone with familiarity with the Sailor converter and this issue feel free to comment. I don't want to glue it, in the long run, being able to take it apart might be a good thing (cleaning, greasing) but i do wish it would stay together while I'm filling.
I'm adding a picture though it's not very good. It was very difficult to balance the gold furniture color with the color of the inks and pen. I tried to get it as close as possible to show why I went with a particular ink combination for the time being.

(1:1 Diamine Vermillion & Diamine Orange).