While 2007 was undeniably exciting, 2008 will be the big one. Wii is in popularity overdrive, fending off questions concerning its longevity and scope; Xbox 360 is clinging on with generous developer support in the US; PS3 is clambering out of its ruinously expensive infanthood. The hardware cycle is stabilising, shifting the battlegrounds to software and inter-publisher rivalries. So what are the big questions this year?
