as promised, the premium theme part.
all these themes, I currently own, and would recommend, they are easily moddable for adult, or mainstream with a little html knowledge and basic wordpress template knowledge.
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Two theme clubs I belong too, for the price of a flat rate, its definately worth it.
http://www.woothemes.com/
http://www.elegantthemes.com/
this theme is a video based theme meant to showcase your favorite videos
in a simple but professional manner, with use of Ajax, and ratings.
http://elitebydesign.com/elite-video
this theme lives up to its name with advanced features and elegant design,
including making features articles pinned to the top of the blog, flickr
integration, popular stories, and slick Ajax features.
http://www.premiumthemes.com/theme/perfection.html
this is a magazine style theme with powerful theme options to choose from,
plus tabbed widgets, and 4 different templates.
http://www.billionstudio.com/wordpre...credit-crunch/
this theme is a magazine style theme that really unleashes the power of
wordpress, making it into a powerful cms.
http://colorlabsproject.com/themes/arthemia-premium/
this theme is a grid style white space theme with on the fly thumbnail
generation.
http://colorlabsproject.com/themes/platformate/
the on demand theme creates a stunning multimedia website with huge image
previews using a showcase sliding effect, similar to hulu.com
http://www.press75.com/
this theme is a unique one of its kind theme that lets you use Ajax to
slide between posts, instead of just normal text.
http://www.blogohblog.com/slidepress...rdpress-theme/
this theme is a magazine style theme with integrated Ajax slide show and
rss and flickr integrated support.
http://www.blogohblog.com/premium-wo...e-vanilla-sky/
this theme is a perfect example how you can use wordpress as a
photo gallery.
http://vasthtml.com/js/raven/