my whole office use emacs for clojure dev but I use vim. I tried emacs for a few days on more than one occasions but simply couldn't bear the physical awkwardness of the key combos (I did remap ctrl to caps).
I'm glad someone mentioned this. I used emacs for years and was totally ignorant of vi/vim, but I started getting pain in my hand from all the key-combos. I was skeptical of modes, but it turns out to be pretty natural, and I actually like the concept of editing as a sequence of transactions with a start and end, rather than one continuous stream. I've never gone overboard with customizing either editor, so for me it was primarily ergonomics.
I use emacs but I also dislike the "you can rebind any keys you want, as long as the sequence begins with C-c". As it turns out emacs doesn't user the super key at all (Apple key on Mac keyboards, Windows key [I think?] on Other). You can dramatically increase the number of comfortable chords available to you by taking advantage of this, e.g.:
(global-set-key (kbd "s-l") 'forward-word)
While the OS-specific keys are sometimes called super, they are not "super" in emacs terminology. Also, if you skim M-x describe-bindings you will find quite a few bindings beginning with s-.
EDIT: If you really want access to a less crowded namespace, using (global-set-key "\C-z" nil) to free up the c-z prefix and binding Hyper are popular.
If you are feeling a little confined, key chord[1] will allow you to get creative with your bindings.
Not using a Super key is actually a great feature. My Super key is used solely in the AwesomeWM (a window manager) commands, so the two (awesome and emacs) never clash on who will handle a key combination.
I was very unpleasantly surprised when I discovered that OS X uses a single Control key for some of its hotkeys (like C-up/down) which I bind in Emacs for my own purposes.