Apple would have you believe that switching from Windows to OS X is like changing socks. It isn't rocket science, but there are bound to be stumbling blocks, though since I have been using both Windows and OS X on a daily basis for years I tend to forget this little fact.
Robyn Peterson writes about his five 'argh' moments as he switches from Windows XP to OS X. Most of them are slight annoyances, but I do agree with him about OS X's lackluster support for auto-mounting network resources without using a work around (unless I am missing a setting somewhere).
[via Paul Thurrott]
(The picture accompanying this post is from here, in case you were wondering).