I've upgraded my laptop to Leopard, and almost everything just worked. Only PostgreSQL broke, since Apple had the foresight to remove the
The catalyst work is going better. Getting everything setup and all plugins, etc playing together nicely was painful. Once it is up and running though, new work goes much faster and is relatively pain free. Sorry to you catalyst folks who had to read my rant a few weeks ago
Update - ssh also broke, and it doesn't seem quite as snappy as 10.4.