This was posted over 18 years ago; my opinions, thoughts, attitude, and writing style may have evolved since then, and this post might have been different if it were to be posted today.
Speaking as someone who not only has a need for large amounts of data storage (yay photography!) and in the recent past has lost data due to the sudden failure of some of his large amounts of data storage (boo for sudden disk failures!), there’s one word to describe the Drobo:
WANT. This is perfect for me to use to store the photos I take!