I Got my new iMac G5 1.8 GHz, 17" w/Superdrive in mid-January. Everything had been working fine until 2 weeks ago. A message appeared on-screen stating that your computer must be restarted. When it restarted, the gray screen with the Apple logo and the little spinning gear was fuzzy (like a TV with no antenna). After going thru the whole "checking & correcting permissions" process, I was able to get to the desktop. The icons on the desktop started to shudder periodically. I ran the Apple Hardware Test disk. As the test ran, the shuddering became constant & more violent. The result was an error code for the video card. I took the machine to the Apple Store. The gentleman @ the "Genious Bar" in the Apple Store couldn't get any video at all. He said that it needed a new Logic Board & that it would take a week to 10 day to repair. After 10 days, I contacted them & the part has still not come in. I was told that it could take another week. I have contacted the Apple Store as well as Apple Customer Support. No one has been able to help me get my iMac fixed. Has anyone else had a similar issue with their iMac? Is this long wait for a repair common for Apple? Are there any steps that I can take to expedite the repair process?