Here's another newer ink that hasn't got a lot of color samples online yet. It's a nice gray color on the cool end of gray. Good wet flow. Some water resistance. No misbehaving. Dries pretty quick. I've been trying to decide whether to get Albert Einstein ink from Montblanc in a full bottle. I got a sample through some magical series of events, and tried it. I was wanting to see if I would like this one better. Honestly, I like them both. Einstein is a more neutral gray than this one. Sadly, it looks like I'm going to have to get both.