#1: Samsung Chromebook (57 days in the top 100) - out of stock
#5: Samsung Chromebook 3G (57 days in the top 100) - out of stock
#9: Samsung Series 5 550 Chromebook (199 days in the top 100)
#11: Acer C7 Chromebook (6 days in the top 100)
What other notebooks are constantly in the top 10? Apple's MacBook Pro and MacBook Air, which are also the top-rated laptops. Samsung's ARM Chromebooks are the #9 and #10 top-rated laptops, after a long list of MacBook models.
Samsung's ARM Chromebook is also the best-selling laptop at Amazon UK:
What about France, Germany, Spain, Italy? Google says that "Chromebooks are currently sold out. We are working on getting more devices available for you soon."