<A target="_blank" href="http://www.geniisoft.com/showcase.nsf/archive/20090123-1205">Proving that "What You See Is (not always) What You Get"</A>, Ben Langhinrichs gives a short explanation, with lots of screen shots, of what can be sent out from the Notes 8.0.1 client and how it might look on the receiving end with a different client.