Just got some questions, as I don't own a Mac but I'm already saving for the switch (last holiday season set me back a huge amount). 1) For current owners of the PowerBook & G5 iMac does how long is your uptime without hibernation, and also do u run a server full-time/partime via external hard-drives? 2) with the internal power-supply should I be concerned about heat causing the screen to have burned images, or even burn marks (black smudges) behind the screen like my Dell 17" monitor (its set to auto correction/config always with 1280x1024 res with 32bit colour). 3) Anyone with PowerBooks doing websites while its at home? thanks.