The fans are low noise and addtionally are running at reduced voltage. The case itself it designed to be a heatsink (Hence the name, "Heatsink Case") so it requires less airflow internally. I think that the theory behind that is that the hard drives, DVD drive and PS are all touching large areas of 1/4 inch aluminum, so heat from these "hot" components is directly dissapated thought the case.
Additionally the
IRMan mounting, DVD push button controls (which connect to the Matrix Orbital
VK204-25), the mounting for the VK204-25 itself, and mounting for the Griffin Technologies
Powermate Controller make it an ideal HTPC case...
I've never seen this much of an attempt to make a PC suitable as a livingroom device.
We'll see how loud it actually is when I get it... I've already bit-the-bullet and ordered one

-Dave