I might have given the PS3 version the edge based on slightly better reflection quality. Bloom seems to be missing in a few parts on the 360 and is generally higher quality on the PS3 as well
The boat scene? The bloom on PS3 there blows out to white faster. Some of the individual light shafts poking through the clouds in that scene are overpowered by the higher brightness on PS3 (it just becomes a haze over the majority of the scene).