best mobile sites on sitefinity

We are in the process of evaluating Sitefinity as our CMS platform.  Having a site for mobile devices and tablets is a requirement.  Can anyone list a few sites that use sitefinity for their mobile sites.  Through some research, I found out that all the sites by http://www.mobistro.com are on sitefinity, but the implementation of those sites is terrible, because they wrap the actual mobile site in an image of an iphone.

Any other good examples?

one thing you can do is create the SF site, and then use Sencha and/or JQuery mobile to render to the mobile devices. After going to one of thier sites on my iphone, its just redirecting me to a m.sitename.com, so its nothing that I haven't done in the past as well. Create 1 backend and when the user access the site, determine what browser they're coming from and then take them to that version of the site,(mobile browser or desktop browser). I currently have several sites that I do this in.