Anyone used In.vision Xpress Author / DITA Studio?

Hi all,

I'm investigating a switch to DITA for my company, and so far the tool that looks best to me is In.vision's Xpress Author and DITA Toolkit.  Has anyone worked with this tool?  If so, what do you think of it?

Thanks for your time,
trevor
XML.org Focus Areas: BPEL | DITA | ebXML | IDtrust | OpenDocument | SAML | UBL | UDDI
OASIS sites: OASIS | Cover Pages | XML.org | AMQP | CGM Open | eGov | Emergency | IDtrust | LegalXML | Open CSA | OSLC | WS-I