Balls. Again, I figure it out a few minutes after posting - do you know this? - read.
URL Rails3 https://github.com/plataformatec/devise/wiki/How-To:-Change-the-default-sign_in-and-sign_out-routes, :
devise_for :users, :controllers => { :sessions => 'devise/sessions' }, :skip => [:sessions] do
get "/login" => "devise/sessions#new", :as => :new_user_session
post "/login" => "devise/sessions#create", :as => :user_session
get "/logout" => "devise/sessions#destroy", :as => :destroy_user_session
get "/register" => "devise/registrations#new", :as => :new_user_registration
post "/register" => "devise/registrations#create", :as => :user_registration
end
, .