I'm in the Favre camp. Rudi Garcia is also available & plausible.
Mourinho, would cause too many issues in the dressing room. True winner though and would make us proper snides. He'd probably get rid of half our team anyway.
De Boer, not feeling it. He's been Ajax for a while, bought a lot of the kids (he worked with for years) up into the first team. Knows the club, inside and out, in a league not famed for its difficulty. When riding high, he'd keep things moving but similar to Martinez, when the heads have gone, does he have the managerial nous to pull it round? Not sure.
Howe, i'm a big fan and think with a couple more years experience in the top league, he could become a top coach. For now, especially with our new Major Shareholder, he'll be looking at slightly 'bigger' names.
Simeone is unrealistic, he's got everything he needs at Atletico and continues to work wonders with a team he's built.
It's finding a coach/manager that fits with our 'style', without having to make destructive, wholesale changes in the first instance and being able to buy smart and nurture our young players into a winning mentality. Also has experience working with teams when things go against them, and can manage a full squad efficiently, especially with our club's European ambitions going forward.
Need someone to build a squad, rather than just start again. We have some of the best young talent in Europe in our first team, some of the best young academy players in the country but we need to utilise them properly.