I was just over @ Rage3D and I noticed that they have some details up for new Radeon Catalyst drivers.

I have a rough schedule of the new features that will be added into Catalyst drivers! The PLAN is as follows:

The next CATALYST driver (v02.4) will have the override 60Hz feature.
The one after that (v 02.5) will have the force v-sync feature.

That's the plan but as you know plans aren't always spot on. A lot of focus needs to go to development effort for DX9 drivers for all products.