http://www.developer.nokia.com/Develop/Qt/ and I also recommend you to try Qt Quick / QML in the first place. If you are interested, my first hand experience (as a non-programmer) can be found here.

PySide activity, see commits and release tags in the past weeks: http://qt.gitorious.org/pyside

No idea about Qt but I would understand if nobody touches it before Qt 5 itself is at least beta. Anyway, we are digressing. No newbie needs to put their hands in Qt 5 at this point.