Subir Chadha wrote:I would like to get either a PowerMac or a PowerBook. I know the PowerBook currently uses the G4 processor, should I buy one now or should I wait until Apple release the PowerBook G5?
If you don't really need the latest of the model, you can get one now. However, PowerBook G5 still requires some wait.
If you want something portable, get PowerBook, otherwise, PowerMac would be better off, but remember PowerMac does not include monitor (monitor extra). Otherwise, iMac G5 is a good choice.
If you want some indication on weather it's a good time to buy or not, try
http://buyersguide.macrumors.com/ but beware it's a rumour website, and based on rumours and statistics.
Subir Chadha wrote: have never owned a Mac in my life & this would be my first (an early christmas present to myself!

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If I were you, I would wait until Christmas for the special bundles (read: discount) or new model around Christmas.
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