All completed through email with Mrs Sohbi in CAI + a fax of my updated CC details. All in all, a pretty relaxed process, but it took a while to finalise the route and correct a couple of errors/omissions.

Final cost is US$6460 for an AONE3:

CAI-LHR-LAX-LAS-DFW-ANC-ORD-SFO-surface-LAX-JFK-HKG-BKK-HKG-NRT-HKG-LHR-surface-MAN-AMS-LHR-CAI.

I'll be flying to CAI for the ticket in Feb, on the back of my last AONE3, doing the US in July/Aug, then the CX elements later in the year. I've wiped out the last of my VS miles on the SFO-LHR return, as I wanted to give the suites a go. Also, the points/miles up to SFO will tip me nicely into BA Gold again for next year, and I can start the new year with a healthly stack of points from the far east.