Well, it's just good that they don't let me hold the checkbook
Read some liveblogging from the ExLibris Primo Webinar I also just attended from
http://neoarch.wordpress.com/2006/05/09/liveblogging-the-primo-webinar/ .
Like Endeca -- it's not a replacement for your ILS, it's an overlay. It also takes stuff from other repositories, MetaLib, SFX... allows tagging, allows users to contribute reviews... faceted presentation of results, RSS feed....
Whoa...
On the negative side, I'm sure it would be a social engineering miracle to get it implemented.