Vg10 and 154cm.
Simple steels, I wouldn’t say they’re unpopular though. A lot of knives in these steels, in the hands of a lot of people.
There are certain steels I enjoy sharpening more than others. Ease of sharpening for sure, potential for screaming edges but also how they feel on the stones. 14c28n is in this category for me too.
I’ve only had limited time with bd1n but I’m really liking it.
I’ve come to appreciate the easy to live with nature of mid range stainless steels. I don’t mind, but don’t rush to buy, steels ending in V