I slept on the kaweco sport, but when I finally got one, it quickly became my everyday. I got a transparent body and fill the body directly with ink like an oil tanker ready to defile the ocean within my pocket, then lube the threads with petroleum jelly. Not a single leak.
Iconic style, affordable, ink lasts forever, one of the most reliable, smoothest gold bibs came with it, and it’s comfortable to write with. I love that pen and wish I had as many chances to use it these days as I did in the past. Unfortunately, my writing at work is almost entirely digital now.
I’ve seen those orange ones, but was never much of a fan. The demonstrators are beautiful though. There’s nothing quite like seeing a beautiful ink sloshing around inside.