iDesignEco is an earth conscious design company that create premium WordPress themes which are “rich, organic designs that are unique and of all, immersive”. They currently have 7 premium themes on offer:
ecoPhoto
A unique photo portfolio WordPress theme for photographers that allows you to create a browser wide photo slideshow.

Price: $49 | Demo & Release Page | Download
ecoHD
A video blog (vlog) WordPress theme with cinematic featured video homepage.

Price: $49 | Demo & Release Page | Download
ecoCollage
A customisable photo blog WordPress theme allowing you to create a photo blog, photo gallery or photo collage.

Price: $49 | Demo & Release Page | Download
ecoRetro
A retro blog WordPress theme with flashy retro colours and boxy layout.

Price: $49 | Demo & Release Page | Download
ecoNews
A news blog WordPress theme with dynamic slideshow slider, Facebook and Twitter integration, ad block and more.

Price: $49 | Demo & Release Page | Download
ecoClean
A business style WordPress theme with homepage slider, settings panel, and 9 exciting colour schemes.

Price: $49 | Demo & Release Page | Download
ecoMini
A simple yet sleek WordPress theme with homepage slider, custom widgets, and theme settings page.

Price: $49 | Demo & Release Page | Download
For full theme details, features and membership options go to iDesignEco
FlexiThemes is a new premium WordPress theme outlet that offers premium themes on a subscription basis. A FlexiThemes subscription gives you unlimited use of the themes, access to all current themes, future themes and updates while you’re a member. They currently have 5 premium WordPress themes available:
Flexi Business
A business or portfolio WordPress theme with 6 colour styles, drop down navigation menus, featured slider and theme options page.

Demo & Release Page | Download
Elisa
A personal blog WordPress theme with integrated social networking options and advertising placements, drop down menus and post thumbnails.

Demo & Release Page | Download
Reflecta
A dark blog WordPress theme with featured content slider, integrated social sharing icons, post thumbnails, and theme options page.

Demo & Release Page | Download
Stunning
A clean blog magazine WordPress theme with social networking sharing ready, drop down menus, posts thumbnails, and theme options page.

Demo & Release Page | Download
Vega
A 3 column blog magazine style WordPress theme with expanding post thumbnails effect, featured posts slider and theme options page

Demo & Release Page | Download
Visit FlexiThemes to check the subscription plans and see full theme details and features.
Theme Garden is a new subscription based WordPress theme club offering professional quality premium WordPress themes. ThemeGarden will release at least one new WordPress theme every month, and they offer four different subscription options: 3 months, 6 months, 1 year, and a 1 year developer subscription. Every subscription option will give you unlimited access to every theme on ThemeGarden.com, first hand support and theme updates for the duration of your subscription.

The first ThemeGarden theme released for April 2010 is called Outline – a versatile premium WordPress theme which could be used for almost anything including news, media, magazine or even personal blogging sites.
For the full details of subscription options and theme features go to ThemeGarden
Organic Themes is a WordPress theme company that creates beautiful and unique premium WordPress themes for businesses and personal users. In addition to premium themes they offer theme customization and installation services as well as complete custom website design and development services for the WordPress community.
Organic Themes currently have stylish 5 premium WordPress theme on offer:
Bold Theme

Demo & Release Page | Download
Portfolio Theme

Demo & Release Page | Download
Health & Beauty Theme

Demo & Release Page | Download
Non Profit Theme

Demo & Release Page | Download
Magazine Theme

Demo & Release Page | Download
Organic Theme Price: $69 each
For full theme deatils and demo’s visit Organic Themes.
Theme Jam is a new premium WordPress theme venture that launched on 1 Feb, 2010. ThemeJam offer professional quality themes for WordPress, as well as additional formats including HTML templates and matching email templates. Every format comes packaged with the PSD, multiple styles, and lifetime updates and support. They currently have 3 themes available:
Industry Theme
A business / CMS style WordPress theme which includes 4 colour style options, numerous custom widgets and widget areas, theme options panel and more.

Demo & Release Page | Download
Noble Theme
An elegant and clean blog style WordPress theme. It includes 5 different colour styles, drop down menus, theme options panel plus other features.

Demo & Release Page | Download
Gadget Theme
A sleek blog style WordPress theme that includes 3 different styles, featured posts slider, social media integration and theme options panel for easy configuration.

Demo & Release Page | Download
ThemeJam Pricing
WordPress Themes: $59
HTML Templates: $29
Email Templates: $19
Deluxe Pack (all formats): $99
LAUNCH WEEK SPECIAL! 25% Off Every Purchase (until February 7th, 2010)
Visit ThemeJam for more details and theme demos