I cannot find the dude on mikrotik.com, Have you guys deleted by anyhow? 
On Friday 18th - The Dude was Re-Released.
Note - there is NO LONGER A WINDOWS SERVER VERSION
(there is a windows client however)
Visit this link http://forum.mikrotik.com/t/the-dude-is-back-v6-34rc-test-build-released/93501/1 for additional details.