You may want to note that Samba is affected by IBM's recent <a href="http://www.groklaw.net/article.php?
story=20050110235654673">patent action. In my usual no-good-deed-
goes-unpunished skepticism, we may see a few lawsuits against IBM
because of it. Remember, there are things in those patents that were
developed in conjuction with other companies. SMB makes a good example
in that the protocol was developed by MS and IBM.