We have been doing alot of work to overhaul our documentation and tutorials.  For both new users and those migrating into libsyn3, there will be thorough inline help when and where you need it along with written and video tutorials to explain some of the basic and advanced features of the new system

For the thousands of users which will be migrated over the course of the summer, we have put together the complete A:B comparison of the two publishing systems.  http://docs.libsynpro.com/tutorials/new_in_libsyn3

Please feel free to engage with fellow podcasters on the libsyn forums (http://forum.libsyn.com), in the comments here, on twitter, etc.  We want to make this transition as smooth and  non-interruptive as possible.