I'm using gnome shell with new ubuntu for few days now and have experienced really annoying behaviour with new windows. Sometimes when I use another window and press e.g. Alt Ctrl T to open new terminal window, I don't get this window being brought to front. Instead I get notification at the bottom that "New terminal window is ready to use". The same is with Pidgin being integrated with gnome shell (via extension). Every time I get new message, window pops up but doesn't show. I need to either Alt Tab it or click the notification.

Is there any way to have new windows being always brought to front, and remove those annoying "Window is ready" notifications?

UPDATE - gconftool-2 --search-key focus_new_windows (as severin asked):

 /schemas/apps/metacity/general/focus_new_windows = Schema (type: `string' list_type: '*invalid*' car_type: '*invalid*' cdr_type: '*invalid*' locale: `C')
 /apps/metacity/general/focus_new_windows = smart