I made the vim -> emacs+evil switch a few months ago, no spacemacs.
What drew me to it at the time was emacs --daemon and emacsclient, which lets you have the same view of the same files open in different terminals or GUI windows ("frames") and saves you from the "file already open" warnings you would get from vim when e.g. editing a file and browsing ctags in different terminals.
Things I found annoying after the switch:
* lack of tabs (situation may have changed since I switched; there's an evil-tabs package but I haven't used it. By now I just got used to emacs' way of doing buffers and frames)
* I feel like I'm fighting the built-in bindings a lot in cases like e.g. dired-mode (directory browser) and Ibuffer-mode (buffer listing)
Notes which you may find useful if you decide to try it out:
* While emacs will work in a terminal, I've found it more comfortable to use the GUI, because it saves me having to think about why e.g. trying to look up help triggers a backspace (C-h).
* my evil config, for an example of some settings and how to tame bindings: http://pastebin.com/TxxuSU8u. Not just mine, a lot of people post their init.el online, and they're often a good reference.
What drew me to it at the time was emacs --daemon and emacsclient, which lets you have the same view of the same files open in different terminals or GUI windows ("frames") and saves you from the "file already open" warnings you would get from vim when e.g. editing a file and browsing ctags in different terminals.
Things I found annoying after the switch:
* lack of tabs (situation may have changed since I switched; there's an evil-tabs package but I haven't used it. By now I just got used to emacs' way of doing buffers and frames)
* I feel like I'm fighting the built-in bindings a lot in cases like e.g. dired-mode (directory browser) and Ibuffer-mode (buffer listing)
Notes which you may find useful if you decide to try it out:
* While emacs will work in a terminal, I've found it more comfortable to use the GUI, because it saves me having to think about why e.g. trying to look up help triggers a backspace (C-h).
* my evil config, for an example of some settings and how to tame bindings: http://pastebin.com/TxxuSU8u. Not just mine, a lot of people post their init.el online, and they're often a good reference.