This is so old it could almost be labelled a classic but is worthwhile watching even just for sheer fun. Eddie Churchill from MSR walks through some of the work they had done on the BizTalk mapper. Nice! Sadly it looks like this body of work ended up in the trash as we are now three product releases on with no sign of it. There is however a slim glimmer of hope in that Microsoft are slated to put some work into developer productivity in the post 2009 version.