One thing about Archivits Toolkit is that it has no end-user display, so 
if providing your data to patrons is a goal I'd suggest Archon 
(http://www.archon.org).

On 8/9/12 4:42 PM, Laura Smart wrote:
> We've done a very recent analysis of archival systems and decided upon
> a new architecture based on our local functional specs.  This was
> greatly informed by the CLIR report. I blogged a bit more detail on
> the solutions we've selected and are in the process of implementing at
> http://library.caltech.edu/laura/?p=299 .  Re: ArchivesSpace - our
> plan is to implement Archivists Toolkit before ArchivesSpace is
> released and rely upon the migration assistance they intend to provide
> to the community.
>
> FWIW - there is no "one Archival system to rule them all."  You will
> probably have to use more than one piece of software.
>
>

-- 
Steve Cherry
Electronic Services Librarian
The Catholic University of America
202-319-6433