I still have happy memories from last season's double City whammy (Leicester in Community Shield followed up by Spurs in Prem League opener) and odds those days were barely 4/1.
Brighton will want to remind Potter for sure but they're struggling as much as Chelsea, so I'm picking Chelsea win, but might throw in a bet against them if I do well with the Foxes.
Willson is one of my favourite strikers in PL, but he is very injury prone and you have to have somebody to cover almost half of the season.
Actually, I do remember they were fighting with Burnley to avoid relegation so it was actually an evil but genius move. Take away Burnley's goals, while possibly adding to theirs. It worked
Isak, I will of course remember very well, scored on his debut against us but didn't really impress -- unfair to say of course, he got injured the next game IIRC and hasn't played since.