I've heard that it is now J2EE certified, that is it looks like a Java App server.
One of the main strengths of the BV suite was the custom content management and rules engine, which allowed non technical users to manipluate content on the server. See Broadvision.com for more information
I too, haven't encountered Broadvision in many years... But if memory serves...
They did a lot of work in customer servicing -- mostly catalogs. There were also talk about them branching deeper into CRM, SRM, and trading exchanges. This was many years ago, so can't comment on what they are doing today.