
Once a minor annoyance, <A HREF="http://news.zdnet.com/2100-1040_22-5555285.html?tag=zdnn.alert">noise from PCs</A> has become a growing concern as ever-more powerful computers require stronger and often noisier cooling systems--especially with PCs moving out of the office into living rooms and bedrooms. The quest for quiet computing has inspired a cottage industry of specialist manufacturers, growing attention from major PC companies and a small underground of acoustic cultists who'll go to any extreme to eliminate another decibel of PC din.