Display cart in a Widget area

Yeah, it certainly is! You can do so by creating a custom menu widget and assigning the cart to the widget. Or, with the pro version we have a shortcode that you can add to a widget as well.

Check out this post for more info: http://wordpress.org/support/topic/need-to-add-card-shortcut-in-the-header?replies=5

Let me know if that solves your problem!

Jeremiah