Somehow, The Ubuntu Team has decided not to add the latest office products from Sun Microsystem. It's because 3.0 release schedule has slipped quite a bit. Just like The Ubuntu Team has said in this site . Well, that's not a big problem! I'm going to give you an easy method to install OpenOffice 3.0. Please do follow this simple tutorial.
1. Press alt+f2 button, and type : sudo gedit /etc/apt/sources.list
2. Add this following code: