Venting re" Full Frame

Maybe you could take a look on the DA* 55mm f1,4 . It earned some good reviews and is rated on photozone as a good performer regarding bokeh.

Quote from photozone

"is equivalent to about 85mm whereas the depth-of-field capability resembles a f/2 lens"

"There's a bit of an outlining effect in out-of-focus highlights at f/1.4 but highlight discs are pretty perfect at f/2 and f/2.8. The blur quality is also very high..."