We just produced an article on 35 of the hottest website designs (desktop and mobile), in which we’ve done mockups for each of their desktop and mobile sites:
Just click “Desktop Wireframe” and “Mobile Wireframe” under each to see them. Let me know what you think and if there are any awesome websites we should add? We’d definitely appreciate any feedback. We love balsamiq, so we thought we’d put it out to the community to see if there’s any other awesome designs to feature.