Professional responsive personal website / blog
Price:
BlogsTrend Theme Standard $45
InkThemes Membership (Full Access) $125

Blogstrend is a clean and personal responsive blogging theme that comes in 8 color styles, a special custom widgets, page templates (Gallery / Contact Us / Full Width), theme options panel, drop down menus, and more.
Preview | Download

More portfolio themes: Personal Premium WordPress Themes

A modern and dynamic grid-based theme
Price: $34.95
Gridoo offers an advanced control panel, automatic thumbnail resizing, custom page templates, custom theme widgets, and a featured posts slider.
Preview | Download

See some more great themes: Personal Blogging WordPress Themes

A pleasant looking WordPress theme with 9 unique formats
Price: $79.95
Mindstream is an unique theme with a personal blogging appearance, in 9 unique formats.  You may also easily display your most important content in a mobile responsive, tumblelog layout.  The theme includes these features:  3 layout choices, custom background & menus, featured images, theme options panel, and threaded comments.
Preview | Download

See some more great themes: Personal WordPress Themes

A simple personal blog site, with a feeling of sophistication
Price:
Decor 1.0 Child theme Package : $24.95
Decor 1.0 Theme + Genesis Theme Package: $79.95
StudioPress Pro Plus All-Theme Package $349.95 (Best Value, save over $800)

Decor is a Responsive WordPress Theme that helps you stage your most inspired and sophisticated work. Features include: 4 color styles (amethyst, copper, gold and silver), 6 layout options, Customizable header area, Social media widget section, Drop down navigation menu and more.
Preview | Download

See some more great themes: Personal Blogging WordPress Theme

Clean and stylish WordPress theme great for bloggers and storytellers
Price: $35
Endless comes with these features: 3 Blog Templates (Facebook style staggered, Big and Chunky, Plain ol’ blog style), Ajax Contact Form with frontend & server side validation, Includes 3 fully customizable retro badges, Link color chooser, Elegant Custom Slider, Slider Custom Post Type, Portfolio Custom Post Type, Contact Page Template, Portfolio Page Template and more.
Preview | Download

See some more great themes: Portfolio WordPress Themes