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You should do. I've been using it for a while and am a big fan of it so far. If you've got any questions about how exactly to do something there's a quite active gitter room[0].

There could be a problem with a new feature (from maybe yesterday?, the day before?) that allows users to pick between emacs and vim keybindings.

[0] https://gitter.im/syl20bnr/spacemacs

Also, if you have problems, ask the community: https://gitter.im/syl20bnr/spacemacs

I just followed the installation description and during the first start of emacs (after the 'git clone' of spacemacs) several things get downloaded and installed, and then I got asked if I would like to have vim or emacs like keybindings.