Ahhhh.... In the cycling world, when you catch up to a group riding ahead of you, and pass them with ease, you feel sooooo happy about the the fact that you're strong enough to pass them. (Am I competitive? Nah... ;-)
The same thing happens in tech, too. The latest example? When closed source vendors start to get defensive about open source alternatives, you know the open source is starting to affect their business, and the open source project is pulling up to - and passing - the closed-source products.
Witness the blog post by Annie Weinberger from Interwoven, where she tries to