I spent the better part of yesterday profiling Watchdogs and fiddling with Disrupt engine.
Nvidia HBAO is pretty nice. However I can't get anywhere with AA in that engine on the 335.23 drivers. In order to hold 60fps consistently I need to drop AA and textures to High even on GTX 780. With a mix of Ultra and High game settings. Pruning the xml config file to custom to my system. I'm CPU bound and GPU bound in watchdogs it would seem

The good news is I can run a solid 60 with console or better graphics settings so it's all good. Gamepad is really required for Watchdogs and with some tuning it's not bad.
I wanted to hold off upgrading to the new drivers until I did some profiling in ED with the PB. Lots of stuff to tweak in the coming days.