Unfortunately there is no Paste Attributes dialog box in CS6.
Its in the newer version Premiere Pro CC.
Make sure you are on the latest graphics card driver.
Thanks for the quick reply!
That's really annoying I'm so ust to it from fcp 7.
You'll have it back in about 6 weeks.
You need to delete the file named cuda_supported_cards.txt or at least add your card to the list if it is not there.