Version 4.4.3 was released. I can verify that using the 4.4.2 ebuild works well on amd64.
The version 4.4.3 adds support for QT 4.4.1. http://www.riverbankcomputing.co.uk/news/pyqt-443 I think it would be quite easy to adopt the ebuild for the new version.
Committed to CVS.