Depends what you mean. SuperDuper will clone your existing hard drive to an external. If you mean making a backup DVD with your operating system on it, look to purchase a Leopard full retail install DVD if you do not have one.
Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.