My Dell Dimension E310 is always running smoothly, unless of course one of my children get on it and obtain a virus.  This is very upsetting.  I should be the only one to be on the computer; because I believe in taking good care of my Dell Dimension E310.  It is one of the best computers in the world.  I would highly recommend this computer to anyone I would come across.  It is fast, reliable and most importantly....turns on in a second.  It obviously is the best computer for anyone in this world to choose.  You can add so many features to this computer; and it will take them without problem ...