Back in October, YouTube let its users to preview the upcoming Videos page which aroused a number of negative feedback.
In
November, they rolled out an updated version which took away the shinning red and popup AJAX menus. And recently, they further updated it by adding in related videos for 'spotlight' videos and allows you to go back and forth with AJAX buttons:

The updated Videos page is running across all local versions of YouTube though only the US version shows spotlight videos.
Update: You will also see a Add to Google button (

) at the bottom of each page right next to the search box at the very bottom.