As noted above, it's a compromise - and you have to decide what your needs are, compared to what's available.
With a CC, you WILL need a dodger
As noted above, the helmsman is worthless during docking
Yes, it's easier to see when docking a CC, but harder to see when sailing
Aft cockpits are more fun to sail.
More windage with a CC
The newer aft cockpit boats generally have bigger, roomier cockpits.
Even with the new wide ended aft cockpit boats, the aft palace STILL feels like a cave.