I bought XBox 250GB from singapore, and i set my region is Taiwan, now i see my xbox live market sell "Virtua Fighter 5"is NTD$840=RM89, and i see the Hong Kong Live market sell HK$=119=RM50, Can i use my VISA(malaysia) buy from Taiwan or Hong Kong Live market??

PS: Singapore Live Market sell SG$49.90=RM119