I never even read Scott Pilgrim and this still looks awesome. Also, since it's set in Toronto, and Michael Cera is essentially from there, and countless movies are filmed there anyway...couldn't be more convenient!
I wonder how will they manage to fit all the boyfriends at once and still do a good plot (which the movie will have because so far screenings have said its awesome and the original author is behind the script of the movie), maybe they'll just finish off one or two of them quickly, Luke didn't really have a proper fight and Roxanne's was kinda filler. Maybe they'd even put the power of love power-up at Gideon's fight.
But Roxanne's fight would be pretty short if they did it like in the comic. Like, it was a literal Single-Stroke Battle. Cutting out most of the fight against the twins would work too but I also want to see Knives vs Ramona.