Okay, I have a panasonic PV-GS150. I have an iMac 20" 2.0. I have just recently bought the iMac, and the first day I had it, I imported some video using iMovie and everything was fine. Tonight I came home and started importing some video (again through iMovie) I shot over the past few weeks. Now I have some terrible artifacts on my imported video. I thought, great, my camera is screwed up, because when I watch the video on the camera's LCD, it was also bad, until I unplugged my firewire cable, then it was fine on the camera. So, Is my problem with my firewire cable, iMovie, camera, iMac, what? Any suggestions? I don't have a way to get a new firewire cable tonight, but I'll check Walmart tomorrow, but I doubt they will have one. I hope it's not my camera.