Qt Creator allows for easily adding new project wizards to its project selection dialog (the thing one uses to create for example a new Qt GUI application project).
Now since I am not very fond of the default Qt build system qmake and a quick search for CMake wizards did not yield any results, I just created exactly those: download here
In particular the tar currently contains a wizard for QCoreApps and a QGui (both heavily inspired from the bundled qmake versions). Creating wizards is very easy, so if someone wants to give creating KDE wizards a try… 
