Currency movements have made Korea an attractive starting point for these fares. A DCIR22 is $5008 ex ICN vs $5004 ex HKG according to Expert Flyer today, and similarly close for a DCIR26. In fact I ticketed a DCIR22 ex ICN a few days ago using a helpful Seoul travel agent.
This will be my first circle pacific after a steady stream of annual XONE's, but in fact for my business/personal travel patterns the circle pacific's are more convenient as I never really had a use for the Asia-Europe sector of a DONE3 or 4 and often ended up having to use it on a USA to Asia trip the long way.