So I just did several Mac OS X 10.5 Leopard installs, upgrading from Tiger (10.4) and even one machine from Panther (10.3). Although for the most part they went well (though very slowly),I have a few complaints. Some things are stupidly difficult, because Apple's obtuseness, combined with the plain complexity of the system (required, I suppose, to get the functionality), but mostly just because of the lack of documentation. So here are some: