This is GREAT news!
I’ve been waiting for this feature for so long:
Tighter integration with the GNOME desktop environment – Qt 4.2 allows developers to create Qt plug-ins for use with non-Qt applications. The tighter integration with the GNOME desktop environment is the result of The Portland Project, a working group dedicated to better interoperability between KDE and GNOME in order to establish a greater presence for Linux in the desktop market.
here are some screenshots of the Cleanlooks style:
And here is the rest of the features of QT4.2:
features
I wish it could be in Edgy’s repos…