Some friends and I have been on Ozy over summer. We diverted onto Ozy (Original) in order to save time as we're pretty slow at aiding.
The original route would be terrible to haul without a far-end hauler (which we used on all pitches above Big Grassy). The Direct has a much nicer line and wouldn't be so problematic.
I second Fish Boy's comments about seconding traverses. No matter which route you do you'll need to second some, so make sure you know how. And if you do decide to do the original, it's much easier to tension traverse left at the bolt on the 2nd pitch above Big Grassy (rather than aiding the thin corner to the roof and then following the thin crack between the roof and the wall left).