I have also learned Vim before, but I didn't use it any more. I forgot some things. Now I want to refresh vim and make up my mind to use it as the main editor in the future! The following are some of the materials I have searched for. On the one hand, I will keep my own background, and on the other hand, I will make it easier for other readers to refer.
1. Some URLs, misunderstandings about vim and the power of VIM, as well as Mac-Vim key ing:
Http://rayninfo.co.uk/vimtips.html
Http://www.viemu.com/vi%5Fvim%5Ftips.html
Http://www.sontek.net/python-with-a-modular-ide-vim
Http://www.viemu.com/a-why-vi-vim.html
Http://pqrs.org/macosx/keyremap4macbook/index.html
Http://www.vim.org/
Http://www.moolenaar.net/habits.html
Http://www.thegeekstuff.com/2010/04/vim-editor-tutorial/
Http://vimcasts.org/
Http://www.derekwyatt.org/vim/vim-tutorial-videos/
Http://tips.webdesign10.com/another-vim-tutorial
Http://www.thegeekstuff.com/2009/04/ctags-taglist-vi-vim-editor-as-sourece-code-browser/
Http://ctags.sourceforge.net/
Http://linux.byexamples.com/archives/177/vim-with-ctags/
Http://wiki.hotoo.me/Vim.html
Http://xbeta.info/vim-tutorials.htm
Http://blog.sina.com.cn/s/blog_46dac66f010005kw.html
2. Related books
Hacking Vim
Oreilly. learning. The. VI. And. Vim. editors.7th. Edition. jul.2008
VI improved (Vim) by Steve oualline
3. Interactive Tutorial: vimtutor
4. You can search for cheatsheet.
And then update...