Robin Good: I think these are times in which we will see lots of changes in how content is published and displayed online. Delivery formats, website builders, templates and other tools to format and make your content accessible in a variety of ways will be soon appearing.
In this light you may want to look at what are some of key emerging trends as well as some of the best designed and most popular WordPress themes from the last four years in this SmashingMagazine curated showcase.
Full showcase: http://wp.smashingmagazine.com/2012/02/08/wordpress-theme-design-and-development-trends-for-2012/