I\'ve been using WxPython and I\'ve tried Tk, but it seems that, while both are good and I\'ll likely use them for other projects, neither of those appear to be capable of accom
PySide: http://www.pyside.org/
The PySide project provides LGPL-licensed Python bindings for the Qt cross-platform application and UI framework. PySide Qt bindings allow both free open source and proprietary software development and ultimately aim to support all of the platforms as Qt itself.
The Windows version of PySide is quite new and may be considered as a beta version. PySide is API compatible with PyQt.