Paged articles are common in media sites like New York Times or Reuters, some articles contains 3 or 4 pages. If you are lazy to click the next page links to read complete article look at PageZipper, a new service from PrintWhatYouLike.
It is available as a bookmarklet and also a Firefox addon, it saves your time by automatically loading the next page below the page you are reading while you reach the end of the page. PageZipper automatically merges all the “Next” pages into one, so you can read the whole article in one page. If you encounter a paged article all you have to do is click the bookmarklet, pagezipper will do the rest.
PageZipper is not only useful for reading paged articles but also for image galleries. On Image galleries, perss Control Down Arrow to skip directly to the next image in the gallery. Control Up Arrow returns you the previous entry.