There's only one man that I can currently see in football that has the mental ability as well as management ability to take over this job. The pressure to take over from Ferguson will be off the scale, and Mourinho being Mourinho will absolutely relish it, it won't phase him in the slightest, he'd love to sit in Fergie's seat with a smirk on his face. The press reaction to this would be frantic and the whole world would be talking about United, whether that's a good thing or not I don't know. He's been there and done it in England, he knows how it works.
People get so caught up in the "Mourinho never stays anywhere", but we need to realise that Ferguson is a complete one-off, the likes of which will never be seen again, with the way modern football is, it's extremely unlikely that we will see a manager here for over 10 years let alone 27. Ferguson is the exception to the rule and people wanting another manager to reign for 2 decades are deluded.
When Ferguson retires, I want an exciting appointment, something that makes me excited that there is a new era about to happen. I don't think I'd feel like that with someone like Moyes. Not to say he isn't a good manager, just my reaction and I suspect most United fans would be pretty muted. If Mourinho walked through the door the fans would be in raptures and that first match at Old Trafford would be off the scale. Mourinho would not be phased by sitting in Fergie's seat, looking up, seeing his name on the stand opposite, seeing the statue outside etc. I think other managers would be too respectful and not do things their own way.
Mourinho, while being respectful towards SAF as he usually is, would come in and do things his way and that's the way it would have to be. It has to be a new era, sounds brutal but we would have to move on as a club like ours cannot stand still.