Perforce looks good also; but back when (4 - 5 years ago) we couldn't get it working with the SCCAPI as implemented (idiosyncratically) by VFP.

>I haven't heard of Perforce but I am reading up on it now.
>
>Hank, I really like Vault, eventually I plan to move to it but for now Subversion and TortoiseSVN are working great for me.