yeh running 290.36 on both...
But as with anything in a beta stage, they can sometimes have a few glitchesThe WHQL drivers are the ones that have been signed off as tested and are stable but you can use the more up to date beta drivers they are just the test versions for any improvments they can make.
But as with anything in a beta stage, they can sometimes have a few glitches
Both 285.62 WHQL and the 290.53 have dropped my FPS on Arkham City by about 10 :S