An version of the JLCA training is still available online from Microsoft's website here. It has a chapter on the JLCA Companion, and also includes a chapter on migrating BEA's technologies.
Check it out.
About Jaguilar
Jose A. Aguilar has been working at ArtinSoft for more than 6 years, starting out with Informix to Java migrations and moving on to VB6 to .NET conversions using the Visual Basic Upgrade Companion.
He currently works as both Senior Software Migration Consultant and Program Manager for the Visual Basic Upgrade Companion, helping clients to leverage their existing investments in VB6 by moving them to .NET Framework.