....than the removable hard drive... Although it sure sounds easy to simply copy all your data to a removable HD, hard drive's die eventually and if you don't have them copied to some other media, you'll lose the data..

What I do with important data....Make a second copy on a CD-R or DVD-R that is never used and put them in my safe deposit box or some other safe place... Every 5 years or so, make another copy.

Hope this helps.