A screencast which demonstrates creating a user interface with Qt Designer, compiling it to python via pyuic4 and running the generated file. For the curious, Qt also has an on the fly ui compiler which is demonstrated by /usr/share/doc/python-qt4-doc/examples/pyuic/compile-on-the-fly.py
http://www.canb.net/blog/pyqt.avi
size – 1280×800
format – codec: FMP4, 25 fps, 125720 ms