An in depth assessment from a Sunderland perspective of the challenge Charlton present (it's one of these newspaper pages with a lot of rubbish on it, so it may not load quickly): The Charlton challenge
In particular, they think the Charlton formation could be hard to second guess. 'Ross might have to draw up two plans for May 26. Some sides are good enough to just play their own way and let the opposition worry about it, but the league table – which had Charlton third, Sunderland fifth – shows such arrogance will not wash under the arch.'
Lyle Taylor explains why he decided to join the Addicks rather than the Black Cats: Why I rejected Sunderland move
He notes that Sunderland were expected to get promoted because of the size of their budget, but he knew Lee Bowyer would back him to the hilt.