I have a speaker system connected to my mac with an optical cable (toslink connection), in 10.4 there is no operating system control of the volume. That means I can only change the volume through the speaker system or through the application if it allows. Can anyone who has a similar set up tell me whether 10.5 fixes this 'bug' or not? I have been using vista even more lately due to their excellent control over volumes with the identical set up (volume keys work just fine!) and would like to see it fixed on OS X. If its not fixed can anyone tell me a workaround for either 10.4 or 10.5 that would allow the volume keys to adjust the entire systems volume output?