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Me too. I've settled on just storing my dotfiles in dropbox as good enough. Just upgraded to a MBP and it was no issue.

In addition to dotfiles I keep a Brewfile around, so I can run the 'brew bundle' command and install everything, including brew casks.

`brew bundle` has become quite handy. There isn't much I can't automate the install of now that it supports the Mac App Store too.