The 2hp modules are popular because they cram solid functionality into a tiny footprint at a good price. They do a great job of giving you CV/manual control of the most important elements of a given module, but at that size there’s just not a lot or room for many knobs or jacks. I’ve always thought of my 2hp Snare as a nice but basic module to generate a pretty narrow spectrum of x0xish snare sounds--until I started sampling it.
Since I mostly use my Eurorack system as a giant, impractical, and expensive drum machine, Erica Synths’ Sample Drum has quickly become one of my favorite modules. I’m pretty skeptical of any menu-driven modules but navigating around is intuitive and having a nice screen makes everything super easy. The CV inputs, onboard effects, and performance mode give you a ton of flexibility. I’d want a rack full of them!