I came to my F10 535xi from an Audi A4 Avant. The F11 is not offered in the US. I love the F10 but sometimes miss the utility of the wagon. As for styling and aesthetics, perhaps this will diffuse any concerns...
http://f10.5post.com/forums/showthread.php?t=750772
I found this "wagon" strangely lust-inducing.