Well, without knowing what your definition of a "pretty" frontend is, it's a bit tough to reply.
Go check out the screenshots for Goyo and Limelight and ask yourself if it's pretty enough for you. Personally, I think Vim can look as good as any modern editor with a couple plugins and a decent theme and font, but we might not have the same standards. :)
Thanks so much for the response! Unfortunately, I'm probably less concerned about the prettiness about more about the ease of install and (maybe) mouse support to fallback to when I'm feeling lazy.
I'm looking to avoid learning Vim plugins (again...again), setting up an environment, and learning keybindings for sidebars, filenav, etc...
Go check out the screenshots for Goyo and Limelight and ask yourself if it's pretty enough for you. Personally, I think Vim can look as good as any modern editor with a couple plugins and a decent theme and font, but we might not have the same standards. :)