I would be surprised if they kept all the quirky humour. They're certainly not going to keep all the bad translations like "This guy are sick" as they removed them from the Steam version.

I also hope they don't have Cloud be mopey as shown in the compilation. He was never that. In Midgar he just struck me as the straight man to everyone else's - from Barret, the Shinra, Don Corneo, Aerith etc. - anger, craziness, cheerfulness, whatever.