I switched to Mac 3 years ago and bougth a Powermac G4 Dual processor 1.42, I started doing movie editing, music arrangement and graphics. This Powermac is a workhorse! However, a month after I bought the machine, the G5 debuted and I kept the perspective that soon my machine would be obsolete. I noticed that as soon as the first G5 came out, the dual 1.42 dissapeared from Apple, they were rather selling dual 1.2 processors. So I thought, I won't worry, my machine is powerful enough. Recently I bought a Powerbook 17" inches, Processor of 1.67 Ghz, airport extreme card included, and also a month after I bought my screaming Powerbook, the new revision of Powerbook came out, so I am left with an older model again. Well, since the powerbook was "internet ready" I decided to make my house wireless. Then I needed to buy an airport express and an airport card for my G4. As I asked the Apple guys in the store, I was surprised that they told me that Apple does not produce airport extreme cards for G4's, that I should rather go to a third party store and try to get one. Then I am really in a debate. Please if anyone could advice me: Should I sell my Powermac G4 while I can, or it will be a machine worth keeping at least for my children to use? I mean, my machine works flawlessly and I have the laest OS and iLife. Then, let's say that I sell my Powermac. I work on this machine a lot as I described first. Will my Powerbook be able to match the performance of my G4 Dual? I asked the Apple guys and one said that the Powerbook 1.67 was no match for a Dual 1.42, and another one said that the Powerbook will perform better since the bus speed, ram and processing power is used more efficiently in the new Powerbooks. Anyone could tell me the truth on this matter to affirm my decision? Thanks!