If you're points "rich" or not likely to use them on another travel in the near future I say go for it. KE F on the A380 is nice which I think both daily flights are and if you find one on the 748i take that.
SQ isn't bad either as an option.
Originally Posted by
ponickka
Would you recommend First class from KE for additional 17.5k miles or not worth it?
Thanks