It is always a good idea to have a backup computer just in case something goes wrong with your main machine. If you are looking for a good replacement or even a new computer you should check out this current online auction for a lot of 5 Dell D610S And D800 Laptops. These laptops could be refitted to meet your needs and made to work for you, not against you. The robot revolution is still 30 years away so you have some time to enjoy these machines before they gain sentience and attack. These Dell computers are generally Windows based but you could install your own OS and programs and customize these machines to your needs. The current bid on this lot is only $328 with the auction ending in a couple of days. You can find out more by activating your free trial.