Just found this thread! Got back into writing with fountain pens late last year and I love the few that I have in my set.
The White Knight in black Chinese lacquer and palladium is my go-to office pen:
I adore Nakaya, and John Mottishaw's work on nibs means my Nakayas are what I reach for whenever I want a delightful personal writing experience. All my Nakayas are in Urushi lacquer, like this Ascending Dragon cigar in Aka-Tamenuri:
And this Dorsal Fin v2 in Heki-Tamenuri:
I'm a big proponent of actually using the stuff I have so I feel great writing more by hand, using these lovely pens. I use Pilot Iroshizuku ink in Kon-Peki, Asa-Gao, Shin-Ryoku and Yama-Budo for a bit of play in color.