Sky will probably submit a low ball offer to Bein sports. If they take it cool, if they don't, I think that's the end of Sky for me too. I'd been planning to leave Sky for a while now for financial reasons, definitely no reason to hang on now.
ManU will be playing in champions league qualifiers next month, so I would expect any possible deal to be struck quite soon, we should know within a month one way or the other.