I've experimented with a few of these, and I still haven't found anything compelling enough to get me to switch away from Konsole. It "just works" and has all the features I need.
I didn't test konsole, but usually kde apps have a lot of dependencies. The main advantagrd of alternatives is saving ram and fast rendering
Konsole or Xfce Terminal, depending on the distro, work fine for me. Are they fancy and feature-rich? Probably not, but I don't really need more features. It's a terminal