I'm not sure why there seems to be any great mystery about x wind landing the 777. The same thing that works well on the 757, works on the 767, and certainly works on the 777.
Flare at about 30ish RA, thrust reduction as required, at the 10' call a gentle decrab with a bit of into wind aileron, works a treat everytime on 200 & 300 variants. There is no great mystery here, look at the far end of the runway (RVR permitting) and fly the aeroplane. A damn sight easier than a pitts or an extra.
I think some guys on here would benefit from 5 hours of circuits in an aeroplane with conventional undercart.