picolight is a neutral, light, clean and professional looking theme.

Retina is an elegant, versatile, magazine style theme featuring a custom menu, header, background, fixed-width, widgets and threaded comments.

Underscore is a warm, simple, neutral theme in taupe or beige with cream and just a touch of red as an accent color.

Admired is a stylish and fully customizable theme.

Blaskan is a responsive and accessible theme that uses modern web technologies.

Dotos is a minimalistic theme in the sense that it puts complete focus on the photos, not text blogging.

Bizz is a very clean and minimal theme that is ideal for business and portfolio websites.

Sunny Blue Sky is a blue theme which includes a cloudy blue sky and sun that is shining and good looking.

Indigo is a clean theme with deep, dark, rich blues and blacks.

Parament is a great all-purpose theme featuring a dark color scheme with bright orange highlights and a textured background.

Black with Orange is a detail oriented theme with modern and decent design.

The following themes are not new, but have been updated for WordPress 3.3.

DroidPress is inspired by the popular Android mobile phone operating system by Google.

Suffusion is an elegant, versatile and browser-safe theme with a power-packed set of options.

Twenty Eleven is sophisticated, lightweight, and adaptable.

Twenty Ten is stylish, customizable, simple, and readable.

Blue with Grey is a details-oriented theme with modern and decent design.

Simply Graphic is a clean, crisp theme using graphic elements and sharp lines.

Terminally is a HTML5 and CSS3 theme inspired by the popular Mac SSH client, Terminal.

ColorWay is a simple, elegant and beautiful theme with easy customization options.

jeans is visually rich and interesting.

Write is a vintage looking, simple, one-column theme featuring old, foxed paper.

Mixin’ Styles makes use of advanced CSS 3 features such as rounded corners, text shadow and font embedding, but renders just fine in browsers that do not support CSS 3. You can change several color schemes and backgrounds from the Styling theme options page.

WP Eden is a fast-loading CSS-based theme with no images.