I'm trying to change my layout and feel like I need to abandon ZenCart if I do. I'm wondering if it's possible to have this look and be consistent throughout the ordering process?

Here's my current site: www.flippee.com
Here's what I want it to look like: www.flippee.com/images/newlayout.jpg

Also, is it possible to have a 1 page checkout without login?

Thanks!