Emacs is easier to customize. I used vim for 10 years before switching last year to emacs + evil. After a month I felt more comfortable in elisp than I ever was in vimscript. If you use terminals within emacs you can navigate and search through all the text as if it were in a vim buffer, imo a step above readline's vim mode. If you are comfortable with vim modal editing you must try emacs with evil, you get much bang for your "buck". I would also argue that even though you are using vim bindings with evil doing so is actually how emacs users would do it. I say that because the emacs way seems to be to customize it until you are comfortable.
