Well, you can always set your user agent in Safari to:

  Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10

and experience the new layout. To do this, just go to Develop -> User Agent -> Other...