One of gaming's worst kept secrets is about to come out of the dark as Sony primes itself for the reveal of the PSP2.

are suggesting that the console is to be announced at a Tokyo event on January 27.Images of the console leaked last month, revealing twin thumbsticks and a sliding design similar to that of the PSPgo. It's expected the console will have no UMD drive, and thatThe announcement will come shortly before Nintendo's 3DS hits stores in March – and it suggests that the PSP 2 will be hitting shelves later this year.IGN has contacted Sony for comment and is awaiting a reply.