Just got this: Langa Letter: Linux's Achilles' Heel in a daily from Information Week. In it, Fred Langa suggests that Linux is not near as good as Windows simply because a certain piece of motherboard sound hardware doesn't work properly with several mainstream Linux distros, but it does on every version of Windows all the way back to Windows 95.

What is an Acceptable AUP? The easy answer is that any AUP you are willing to agree to is. The better answer is more along the lines of what things you should never have to agree to and what things you should alway want to agree to.