Lumix 12-35 F2.8, not over impressed with bokeh.

So I got my new lens and was all exited.  Certainly is sharp and AF fast but not sure I rate the bokeh. Maybe I am being overcritical.  Here is an example.

http://www.flickr.com/photos/funkytwig/8720599615/in/photostream

What do people think (I know, it is focused on camera not person but apart from that).

Ben