foobar2000.org is the place to be, they have forums, Wikipedia pages, with all kinds of examples/plugins/etc. You need to have some basic programming skills to customize it.
I have the following- pretty self-explanatory as to what they do. Although $info(tool), means to show you how it was encoded; either like LAME3.9x, iTunes 8.x or if there's no known tool in the meta tag, then it will come up as ? or Unknown, depending on how you code it.