new book by simon guest: microsoft .net and j2ee interoperability toolkit available in september.
it's possible to do interop through a number of ways, including (but not a complete list)
interop through remoting (.net program to java through ja.net -- difficult to configure, but it works)
interop through web services (much simpler to implement than remoting)
interop through messaging (jms consumed by .net is icky because of all the goo jms puts at the front of the payload; .net consumed through jms isn't too bad -- no goo to consume)
should be a good book.
oh, yeah: notes to self....
take a look at the capabilities of wse 2.0
take a look at nunit for .net
take a look at nant for .net
take a look at the uip (user interface process) pattern -- better than struts?