You might want to look at this one... (it's free)
http://www.educ.umu.se/~cobian/cobianbackup.htm

>Hi,
>
>Having just gone through a had disk replacement I am investigating backup software. We make backups of the programs we develop and data into zip files that are later copied to DVD, but not of system files and other programs.
>
>Would appreciate recommendations. Ideally it would be an automated system.
>
>TIA,
>
>Alex