FCE - Viewer very jerky on iBook G4

I had an old copy of Final Cut Express v.1 that I just loaded on my iBook (I have the upgrade to v.3 on order). One thing I've noticed is that clips in the viewer are impossbly "jerky": the audio is Ok, but the video starts and stops so bad it's impossible to watch. If I place the clip on the timeline and then render it, it plays fine on the canvas.
Of course, this makes the viewer totally unusable for me. Is this a function of too little 'horsepower' on my iBook? I was thinking of getting a new PowerBook, but the jump from 1.2Ghz to 1.5Ghz didn't seem like it was really worth it. Or is it possibly something that will work better in the new version?
Any help/tips you can offer would be GREATLY appreciated. I really want to upgrade from iMovie's limitations, but the way it's working now I don't see a huge advantage.
Thank you.
12 iBook G4 Mac OS X (10.4) 1.2Ghz, 80GB, 1.25GB RAM, SuperDrive

I can run FCE v.2 on my 1GHz 12" PowerBook just fine, so your 1.2GHz iBook should be fine as well. You might find some more tips in the Final Cut Express forum, but one thing I was told is to make sure none of your windows (Timeline, Viewer, Tools, etc.) were overlapping each other. You may have to shrink the size of the various windows, but that helped me out before with some playback issues.
-Doug

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Viewer Jerky on iBook

I had an old copy of FCE v.1 that I just loaded on my iBook (I have the upgrade to v.3 on order). One thing I've noticed is that clips in the viewer are impossbly "jerky": the audio is Ok, but the video starts and stops so bad it's impossible to watch. If I place the clip on the timeline and then render it, it plays fine on the canvas.
Of course, this makes the viewer totally unusable for me. Is this a function of too little 'horsepower' on my iBook? I was thinking of getting a new PowerBook, but the jump from 1.2Ghz to 1.5Ghz didn't seem like it was really worth it. Or is it possibly something that will work better in the new version?
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Thank you.
12 iBook G4 Mac OS X (10.4) 1.2Ghz, 80GB, 1.25GB RAM, SuperDrive

Ok, all done - no change. Funny thing is, it is only the .dv files that have jerky video. Also, .mpg files have smooth video but no sound. Mp4, .avi, and .mov files play fine for both audio and video.
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FCE - Viewer very jerky on iBook G4

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