i just bought a PSP yesterday, i now having 2GB MSPD, i think to upgrade to 4GB MSPD, i know new ori sony is selling at Rm399, and non ori selling at RM160 like that, i heard that for those non ori sony 4GB MSPD selling at RM160 on the forum is not supported by PSP, mean cannot use with the Sony PSP, is it true... ??