Is there any need for a Retrospect back-up?

[emily]

Thank you very much for your quick reply to my questions on another issue this morning. I am still thinking, planning, figuring out what I want to or should do as far a a back-up strategy that I am comfortable with and will stick to.

Here is my question. I know you are (rightfully so) biased to SuperDuper but could you tell me objectively as you can, if I make a complete back-up (clone/copy) of my hard drive (on an external hard drive) using SuperDuper and regularly Smart Update it, is there any need or purpose for me to do a back-up using Retrospect Express (which I used before getting SuperDuper) or would that just be being "ultra-anal"?

I am not really interested in archiving - just want a as-current-as-I-keep-it back-up in case of disaster.

Thanks for your opinion.
Emily