Xposed is blog or showcase theme, and it uses HTML5 and CSS3 for some very nice looking styling. Theme uses Nivo Slider for the featured slider block and also has another single page block that can be used to add any static content through each theme template.
Serenity is photo or portfolio theme, and is first theme based on xScape Theme Framework done with HTML5. Theme uses Nivo Slider on front layout and normal layouts and has separate portfolio layout for archives. Serenity is core only theme, and requires xScape Core installed.
R8 is general purpose theme created with rating and review websites in mind. Theme has 8 color schemes built in, Nivo slider with many customization options and support for all advanced xScape Framework features. Here is the short intro into setting the theme.
Focus is photo/blog/general/news theme with simple and clean design, using great jQuery powered Nivo slider with tons of settings and other additional layout blocks. It has 14 color styles built in with customizable background from theme settings panel and much more.
There was a lot of talk before on how to install and update themes, but now, with the release of new Dev4Press Updater 1.5 that can also install themes, here are 2 video tutorials and list of previous posts dealing with the process of installing and updating any of the xScape based themes.
FrameFX is image / portfolio / blog type theme, released with 10 different basic color scheme many design options and settings, layout that allows combination of many elements and blocks, with several elements supporting different special effects and animations.
newsScape is news / business / blog type theme, released with 12 different color scheme many design options and settings, layout that allows combination of many elements and blocks, with clean design and very fast loading times due to very small number of images used.