Finally got my 01 Santa Fe GLS V6 into the shop...
The sound I feared was cam related was apparently a bad idler on the timing belt tensioner. Much relief was had by all except the dealer mechanic who was probably hoping to make a lot more hours off this job. If all goes well I'll be picking it up Monday afternoon...
The 900-miles-on-the-odometer rental 2005 Neon definetly made me appreciate my Santa Fe again ;)
JS