I think it's safe to view Noel as almost completely unattainable.
Noel's 20 and having a very good year. He's shown no indication that his ceiling as a DPOY type of dominant defender is out of the question.
And, Hinkie has shown repeatedly that he values guys with that kind of ceiling - or top 5 picks, which can yield that kind of talent - almost to the exclusion of any other asset. Witness the MCW trade.
Unfortunately for us, we possess no such asset. Our picks, even our own, are very unlikely to be top 5. I suppose you could make a case for Smart having DPOY-type defensive talent too, but I don't know why anyone would swap big for small when you're talking about defensive specialists.
I wouldn't be surprised if an offer of our 1st, the Clips 1st and Sully for Noel would be rejected by the 76ers.