I don't particularly like the way Benitez has conducted himself in the past, but for me he is on another level to the likes of Martinez, Coyle, Hughes etc.
The ideal (fantasy) choice would have been Ancelotti. My personal favourite is Moyes. However, as they appear to be non-starters, it's Rafa for me - he's got the best credentials out of the remaining candidates, despite his recent history being scarred somewhat