Massaging Rails 3 Beta on Windows

[Update:

Quite a lot has changed since this post was written. See Another Go with Rails 3 on Windows for a more up to date Rails 3 on Windows guide.

]

So you've read the blog posts and seen the tweets and retweets about the early Christmas present that is the official Rails 3 beta. Here I share my experience of trying to bring it to life on Windows.