I am from Singapore, you guys are sharp. Anyway, I think the shop is trying to clear out on-one and planet x stuff (the legacy of the previous ownership) as they are all on huge discount, I think they are trying to concentrate on the really high end stuff like cervelo, maverick, ceepo, hed (they even stopped bringing in Surly). I MAY be WRONG though.
I don't know about exact shipping charges, but shipping out of singapore cost pretty low anyway (I've shipped out frames before), compared to shipping out from th US or Continental europe.