Tried Gundo.vim, by Steve Losh.

nvie · nvie · commit 097f1aeec508 · 2010-10-18T22:35:53.000+02:00
See http://github.com/sjl/gundo.vim
diff --git a/.gitmodules b/.gitmodules
@@ -34,3 +34,6 @@
 [submodule "vim/bundle/nerdcommenter"]
 	path = vim/bundle/nerdcommenter
 	url = http://github.com/scrooloose/nerdcommenter.git
+[submodule "vim/bundle/gundo"]
+	path = vim/bundle/gundo
+	url = http://github.com/sjl/gundo.vim.git
diff --git a/vim/bundle/gundo b/vim/bundle/gundo
@@ -0,0 +1 @@
+Subproject commit f3511a978243095498f313da43094c8b9b0d6acf
diff --git a/vimrc b/vimrc
@@ -285,6 +285,9 @@ nnoremap <leader>a :Ack
 
 " Reselect text that was just pasted with ,v
 nnoremap <leader>v V`]
+
+" Gundo.vim
+nnoremap <F5> :GundoToggle<CR>
 " }}}
 
 " NERDTree settings {{{
