Originally Posted by
wonderman
Unless I missed something there are lots of data points in this thread where OC5 (for example) has been upgraded to NCx by surrendering OC5 and paying the differential in points as per the old chart.
You missed a lot of things. Granted, there are quite some DPs on OC5 to NC4 and NC5. But NC8 does not exit. There are only a couple DPs on NC7. NC6 upgrades are all over the places. You really need to read more.