Squarespace is by far the easiest way to create a slick One Page website. Their templates and support are both excellent. Learn more.
Unique One Page Website Review
Carlos Sousa Portfolio
First one pager I've seen with a moving header to show Foursquare check-ins. Big fan of any website that is different every time you visit it. This one would have new Dribbble shots and map views. Good responsive adaption too.
This website has a cool integration with foursquare, it displays Carlos's last checkin. I think it's a nice feature. Other thing, the Konami code, try it out.