There are new options not available in the free version. Here's the full update note of the new Wicked.
Click images to view in a full screen, but it's a minimum feature of this plugin. You can move through your photoset images on Lightbox 2.0, and view the original image with just a simple click.
Build your own layout with Wicked's layout options. Customize columns, spacing, or size. You can create more than 50+ layouts on Wicked.
Tumblr is not limited to one page. You can create a whole new page, using the same layout of Persona Pro. Create a contact form, about, or any custom page.
Tumblr's amazing font list provides basic fonts for every use. What fonts do your themes support?