hey.....i live at kl...some guy offered me a xbox, modded, got halo sticker, 2 controller s ori, use about almost 2 years and give me almost 100++ games....i ask him wat is the chip type....he said dunno and the chip quite old and he told me sometimes har to read games....sometimes only....he said the chip can be upgraded and the price is RM350 thats mean 153.596 SGD....is it worth?upgrade chip is about RM150.....hard to read games is it caused by the chip??