well vinc, there are quite a few in the market available in Singapore, maxspect ( Dr Evil), lumenaqua ( Aquarium Artist), ecolamp (Aquamarin), there is a brand that Coral Farm brings in but I don't know the name of it...
There are other brands which you'd have to ship in like MAME (http://reefbuilders.com/2010/05/28/video-mame-designs-2nd-generation-ecolight-49-watts-rgb-yellow-leds/) no not the snack! or Orphek (http://www.orphek.com/)...
tons of brands out there.. Google for the win.