It has been a few days since I walked over the local Mac Computer Repair store to pic up the Mac. So, after all the wondering it ended up costing me zero. Although nothing was found wrong it was cleaned and it appears a cable must have simply been loose that connects the macs display to the logic board. Since opening the mac voids the warranty I had no choice then to let it be done by a Mac Guru.
But, I am happy to report the iMac is back home and doing what it does best.