Building a powerful and silent multimedia center

[seadevil]

Hello guys, I have recently buyed a SILVERSTONE Desktop LC18B Black CASE with the idea of building one powerful a silent machine, so I would like some advice about what should I put in this beauty to anchieve that crazy idea. I hope to see advices thanks

 

[ibleet]

Try here. http://www.silentpcreview.com/

 

[seadevil]

What about this it will be to noisy?
EVGA e-GeForce 8800ULTRA KO
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Hitachi DeskStar 7K1000 750GB
Intel Core 2 Extreme QX6850 Boxed
Antec TPQ-850 EC 850W ATX12V V2.2