I would love to hear from some people out there that have the new G5's. Are they really quiet? How Quiet? QUiet as a Laptop? Does it fluctuate badly? I have read some threads about the 747 PROBLEM with some units where the fans are not calibrated properly or that there are motherboards problems that cause the machines 9 fans to roar! How many here have G5's that are actually quiet on an objective decibel level. I refuse to buy another mac that has problems! My ALubook was insane with them. appreciate any help!