Registration for PyCon 2010 is open! You should register for PyCon 2010 here (and don't forget to make your hotel reservations here ). We are doing a number of things this year to make this the biggest and best PyCon ever. To start with, there is more PyCon to love. We will be having five separate tracks of talks, covering everything from Python in space to Python on Wall Street . There should be something for everyone. Interested in Java? You can see how to extend Java applications with Jython or how the military is using Jython to model real-world battlefield scenarios . Interested in .NET? You can learn about what Microsoft is doing to support IronPython in their tools or how to use Silverlight to run applications in your browser . Are you a scientist or do you need to crunch big data? Python is being used to crunch data from telescopes and for natural language processing with Hadoop . You can also brush up on algorithmic optimization , agent-based modeling of systems , and