The new possibility to rearrange buttons in the the window-list of the panel, like tabs in Firefox, is really nice : thank you for that :-)

Maybe we could also have an option to close all windows generated by a same application in one click ?

I'll try to explain my feature erquest through two observations :
1. With nautilus, when lots of windows are opened, you can close all of them by doing ctrl+shift+W. why not with the mouse ? And why only with Nautilus ?
2. In Firefox, when there are lots of tabs opened, you have the possibilty to "close all other tabs" from the tab context menu. 
Now imagine that i don't want tabs since they introduce a concurrent system of windows-buttons in the panel which can be confusing for the user. Therefore i prefer opening new links in new windows and manage windows opened by Firefox (or any other navigator) through the window-list applet of the panel. That way, i can take advantage of all the new functionnalities brought by modern windows managers (i.e. Compiz Fusion) like selecting graphically a window (thanks to Exposé-like stuff - named "Scale" in Compiz Fusion) which is much more convenient than the "old" tabs system. Then i'll get quickly lots of windows (like i used to get lots of tabs with the "old" system) and i would appreciate to be able to close all of them in one click, for instance by selecting the appropriate entry in a window-button context menu, like i used in Firefox.



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