I liked Matt Smith, not as much as David Tennant because he was my favourite, but I thought it was down to the quality of storylines which were to be honest very poor, I'd rather see Steven Moffat go the him, but Matt wants a career in hollywood and quiting Doctor Who was the only way he could pursue it. As for speculation of who the 12th doctor is, I pray that they don't choose a woman, the press seem to be forcing down their throat to choose a woman, so it isn't seen as sexist. But the Doctor is a man and always should, as long as its a man with good talent that isn't american I will be more then happy.