Some time ago I managed to get RoR working on Windows XP. I\'ve been trying to get it working on Windows 7 for 2 days but there\'s just no way, there\'s always a problem, on
I like Aptana Studio 3 for developping with RoR on Windows 7. The book "Agile Web Development with Rails" is also full of good advices.
Here are the steps I followed:
1- Installing Ruby via RubyInstaller
2- Install MySQL (follow @Reuben Mallaby instructions)
3- Install Rails
With the Built-in Terminal, make dev' easy. You should take a look: Aptana Studio