Its is a great practice to sketch out mockups and wireframes of websites before coding. It helps to get an overview of whats to be included in the design layout and helps correct any potential mistakes and plan for a great design overall. Checkout the following excellent examples of great sketched user-interface wireframes and mockups.

NationWide / NASCAR

sketched wireframes

5 Years of Firefox

sketched wireframes

Links

sketched wireframes

GEOINT2009 (Microsite)

sketched wireframes

Coastal Capital Partners

sketched wireframes

New Local

sketched wireframes

Vimeo Profile Page Idea

sketched wireframes

Layout for BPgraphics

sketched wireframes

Vimeo Clip Page Top Nav

sketched wireframes

Cartoonity.com UI Sketch

sketched wireframes

CommLogix Wireframe

sketched wireframes

Early Ember Sketches

sketched wireframes

Wirethumbs

sketched wireframes

More Ember Sketches

sketched wireframes

iPad App Sketch

sketched wireframes

Web Layout Sketches

sketched wireframes

Librespeak interface sketch

sketched wireframes

Original Twitter Concept

sketched wireframes