I was thinking about this. Also everytime I have been forced to find a solution without using the internet I have been thrilled about what I learned. Too bad I never make that happen more often... :(
I'm really impressed by test_unit hitting #2. Most people who wander off into ruby bring back their TDD enthusiasm to the other languages they use. That's quite an impact for the entire industry when you think about it. Kudos to all involved for that :)