My computer has been giving me trouble and i am buying a new one. When i put the songs from itunes from the old to the new computer
To Move your iTunes From your OLD computer to your New one...
Copy your ENTIRE iTunes FOLDER to an External Drive... and then from the External Drive to your New Computer..
Full Details Here > http://support.apple.com/kb/HT1751
An Added Bonus is that you will have a Backup of iTunes.