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[radiohead]

I am about to buy a new mac. My budget is under $2000 for the computer itself. Ive found the 400 G4 powerbook and the 733 G4 tower to be priced about the same. Obviously, the 733 tower is alot faster than the powerbook im looking at. But it seems that bjork, radiohead, etc... all talk about using powerbooks all the time. I know that having a portable unit would be great ease for transportation. But I am wondering if anyone has any suggestions on which i should get. Are there any advantages to the powerbook (other than portability, which is quite limited with the tower) over the tower? Also, i know that ill need some audio input..which ive seen is discussed on this site quite alot. Im just wondering if this would play into which computer i get. Im interested in getting a soundinput thats pretty cheap but still decent. Do these come on the towers? Or do you always have to buy a sound input seperate? FUrthermore...i would like to use my computer as a sampler...any suggestions on this? what software is good or would one be wise to just buy a separate sampler? any info contributed would be greatly appreciated. thanks so much. justin