Just checked SIA's site and they took our the A380 seat map:
Maybe they decided that the more detailed ones revealed too much information about the product before the official launch. We figured out a fair amount from the seatmap.
I'm interested to see those lounge and couch locations near the staircase.
What do y'all think of the mark in the middle of the galley in Y? Looks like maybe a staircase leading downward to the cargo hold.