I have some very nice ones. Even have a couple that can survive air travel without spurting. But, these days I typically carry a Retro51 roller. They are a great company based in TX.
Here is their roller and fountain pen honoring the P51 mustang
They aren't just military themes.
I also have their 8bit loot chest:
Anyway, fountain pens are pleasing to use. Same as dip pens. But, they require a bit more care and maintenance.