title: One-Click install for Ruby/Rails/SQLite?
body: <p>I'm used to the One-Click install local environments of <a href="http://www.mamp.info/en/index.html" rel="nofollow noreferrer">MAMP</a>. Is there a Ruby equivalent... a download that you run and instantly get the most current versions of Ruby, Rails, SQLite running locally?</p>
  
  <p>I'm using a Mac, running Leopard, and am aware that all of the aforementioned technologies ship with Leopard (except maybe SQLite). The books that I have reference newer versions and the last thing I need is to try to retrofit a tutorial to work with my version.</p>
  
  <p>And one more less important question: What are "Gems" and is that something that I need to make sure is fully updated too?</p>