re: wayang based in jakarta - but doing a jkt-sing-baharain-sing-jkt kicking off next friday. Will be in Sing on 29 april and 5 may. So if that fits, maybe a quite one.
Bintan - must go there- staring at picture of the course as I type, looks v.nice, but vicious if you have a slice judging by the nearby ocean, check out www.riabintan.com and www.bintanlagoon.com
cheers
greg