Afterward, we had an opportunity to talk with Larry. He works as a technical director at Altova (XMLSpy is their premier product). For his presentation, Larry used the soon-to-be-released version of XMLSpy 2004.
Larry is a remarkable guy, having written four (4) books in the last 2-3 years. His latest is The Official XMLSPY Handbook:
From what I understand, the book provides a 90-day evaluation CD version of XMLSpy 5 Enterprise Edition (that's 60 days longer than the version you download).