That was meant as an example only, I'm very aware of how much that topic is discussed here and elsewhere.

I agree that some hardware questions are too broad, but my questions focus more on building a new rig. As such most of my questions would be more specific (for example, "Which has better driver support: ATI or NVIDIA?" rather than "Best GPU?". And yes I know that NVIDIA currently blows ATI out of the water on that particular issue, and that ATI is improving quickly.)

Actually I was more concerned with specific components rather than pre-built machines. But in essence this answers my question since there are obviously questions on the main site asking about whether or not hardware will run as advertised in Ubuntu. Thanks!