Yes, a fabulous trip! I have been straight back to work (unfortunately) but had on my list to get in touch with you to let you know that the arrangements went superbly.
No problem at all with flights, transfers, hotels or tours - everything went very smoothly and on time, and everyone was courteous and friendly.
I did cancel two tours - I can see with hindsight there were too many back to back and it was a bit overwhelming because they could be very long (12 + hours in a minibus) but that was me, not the tours. I took the chance to walk the town (Salta) for the day instead, and I really enjoyed it.
I think also with hindsight that I might have been better with fewer flights/locations - it felt like a lot of time in airports but again, that was me wanting to see several different places while I was there. The arrangements themselves were really excellent and I think the advice you got from Contours was spot on.