I have studied this forum for knowing what to look for, but it was not cheap.
Actually I was just one second late and missed something that looked to be a quad 1GHz Tezro, fully equipped, V12, DCD, DM3, RAD, original OS, property of Autodesk stickers, for 700 USD + 200 USD shipping. Then I was so sad and bought the Fuel for the same price 700 + 200.
To justify the money and not cry for the Tezro, I am saying to myself that Fuel is much nicer than Tezro.
But I should not complain about costs because I plan an important business with it, like enjoying music and anime episodes.
I have not checked if the Firewire card works for something. I think that I have to install some drivers for it.