If you're in the market for a clean, professional portfolio site, definitely check out Landscape premium theme from StudioPress.
Morning premium WordPress theme features a bold magazine style that is sure to catch the eye of your visitors.
Classica premium WordPress theme turns your site into a beautiful minimal portfolio to showcase your works.
Continuum premium WordPress theme offers tons of power and flexibility without the setup woes.
Teamster is a great modular magazine layout, perfect for sites with multiple authors.
Satoshi free WordPress theme is a great option for anyone needing a clean, minimal portfolio template.