SPECS: G4 800mhz AGP- 768MB RAM- OSX 10.4 - QT ver.7 ISSUE: When playing a quicktime file (ie. 720x480 pxls / 30fps) it stalls and the playback looks more like a choppy 10 frames per second. Smaller dimensions (320x240) look fine. QUESTION: Is there a solution to have large videos playback more smoothly on my G4? Is this a ram issue? Do I need to get a better video card, if so, which one to get? Or is this going the be the best as it gets? Please help if you can. Thanks!