I want to thank Xiaofan for his in-depth replies.  I see from what is  
said that USB 3.0 may be slow developing as a ubiquitous bus.
I want to thank Adam for reminding me that USB 3.0 will be too fast to  
be used effectively for some applications.
Tamas and Olin
      I like Firewire a lot and have always seen it as a superior  
technical solution.  Too bad it did not win the perception war.

Gus

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