Last night I installed the latest version of RubyMine (just to have it as a backup plan though).
I then tried to install the IdeaVIM plugin which, for older versions, had worked fine for me.

• fixes
• idea-vim
• jetbrains
• rubymine
• vim

So, I tweeted a question earlier today about what editor is preferred by the rubyists and, although I didn't get many answers, it, combined with a recent discussion I had about RubyMine vs Vim later, helped me clear my reasoning a bit.

• akitaonrails
• ide
• opinions
• ruby
• rubymine
• ubuntu
• vim