step "Learn your Mac OS X Version" do
  message <<-MARKDOWN

* Click on the Apple icon in the top left of your screen.
* Select "About This Mac"
* In the window that comes up, under the title "Mac OS X" there will be a version number.
  * If it starts with 10.9, you have **Mavericks**.
  * If it starts with 10.8, you have **Mountain Lion**.
  * If it starts with 10.7, you have **Lion**.
  * If it starts with 10.6, you have **Snow Leopard**.
  * If it starts with 10.5, you have **Leopard**.
  * If it starts with 10.4, you have **Tiger**.
  * If it starts with 10.3, you have **Panther**.

* Write down the Mac OS X version you have.
* In addition, to the right of the "Processor", there will be the a processor type.
  * If it ends with **Intel Core i7**, **Intel Core i5**, or **Intel Core i3**, you are good to go.
  * If it ends with **Intel Core 2 Duo**, you are good to go.
  * If it ends with **Intel Core Duo** or something else, you are **NOT** good to go.  Please flag down a volunteer.

* Once complete, you may close the "About This Mac" window.

Below is an example.

![OS X Snow Leopard](img/AboutThisMac.png)

  MARKDOWN
end

step "Choose your instructions" do
  
  option "Mavericks" do
    link "osx_rvm"
  end
  option "Mountain Lion/Lion/Snow Leopard" do
    option_half "RailsInstaller" do
      message "RailsInstaller is an easy way to get up and running with Ruby and Rails on OSX. Try it first."
      link "osx_railsinstaller"
    end
    option_half "Manually" do
      message "If something went wrong with RailsInstaller, or you want to do things the 'long way', use these instructions."
      link "osx_rvm"
    end
  end

  option "Leopard/Tiger/Panther" do
    important "If at all possible, you should try upgrading to at least **Snow Leopard**. Apple doesn't sell it the Apple store anymore, so you'll have to [buy it from them online](http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard) or find a copy from a friend."
    message "Otherwise, you can try following the Panther instructions, but be prepared for some things to be difficult."
    link "osx_panther"
  end
end