JetBrains PyCharm Preview

JetBrains PyCharm is a new Integrated Development Environment for programming using Python with the following key features:

  • Intelligent Editor: for Python with code completion, on-the-fly syntax and error highlighting and code inspections
  • Code Refactoring: including rename, introduce variable, introduce constant, pull up, push down and others
  • Web development with Django: with specific templates editing support, server launch from IDE and best in class support for HTML, CSS and JavaScript editing.
  • Project and Code Navigation: specialized project views, file structure views and quick jumping between files, classes, methods and usages
  • Error-Free Coding: on-the-fly code analysis, error highlighting and quick fixes
  • VCS Integrations: out-of-the-box support for Subversion, Perforce, Git, and CVS with changelists and merge
  • Cross-platform: works on WIndows, Mac OS X and Linux

via jetbrains.net

Sounds like it has a lot of promise.