Out of curiosity I checked the properties of my main folder under C:\Users and found that it contains about 55GB of data and 240,000 files. I back up most of my data files every day with Mozy, but I thought it might be good to have some sort of local backup in case of disaster. I'm not interested in a complete up-to-date backup or any time-consuming process that I would do frequently - more like a backup done once or twice a month. I've noticed that small external hard drives have become very inexpensive. For example, a Seagate 3TB drive can be purchased for about $120. A disk that size would accommodate numerous copies of the files in my primary folder, although I don't know how long it would take to copy them or if such copying is even feasible. I'd like some advice and suggestions regarding (1) should I buy one of these drives and (2) what sort of backup procedure should I use? One additional thought: My wife's computer has a similar number of files in her main folder, and I'd want to include that in occasional backups to the same external drive as well.