When you first create a public site collection in Office 365 / Sharepoint online you get a default website that looks like this:
I personally prefer the Sharepoint 2010 site look:
To change the layout, follow the instructions in this blog post:
http://blogs.msdn.com/b/sharepoint__cloud/archive/2011/12/22/change-sharepoint-online-public-site-to-look-like-a-sharepoint-2010-site.aspx
Please check my website http://www.bjornhouben.com to see what it can look like after some minor customizations.
blog.bjornhouben.com 
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