I kind of miss bash, after being forced to move to zsh, because bash is generally faster, and consumes less resources - but with oh-my-zsh, I kind of get the point, because darn it is pretty, and I continue to blow away some of the greybeards in my group when they shoulder surf and see me type 'z something' -> goes to /some/monstrous/path/to/something .. this, for some reason, always gets oohs and aahs ...
Just, gotta remember, that feeling like you need to upgrade your laptop just because you changed SHELLS is rarely a good sign.