There's also an article in the N.Y. Times about Moore and the making of the film and A.O. Scott reviews the film for the Times.
"Brendan’s busy adventures load the film with a bit too much narrative for its brief running time, but the sometimes hectic plot ultimately serves as scaffolding for Mr. Moore’s extraordinary visual brio. Using the vivid colors and delicate lineations of the Book of Kells for inspiration, he establishes a surprising and completely persuasive link between the ancient art of manuscript illumination and the modern practice of animation. Like the crystal lens that is a crucial element of Aidan’s craft — an enchanted eye that refracts and renews his, and then Brendan’s, perception — “The Secret of Kells” discloses strange new vistas that nonetheless seem to have existed since ancient times."Everyone, including Moore, expects Up to win the award for best animated feature, but this is a case where the Oscars have still done something positive. Up has finished its theatrical run and the bulk of its DVD sales have already occurred. An Oscar will give Pixar a piece of hardware and some bragging rights, but will not materially affect their bottom line. For Cartoon Saloon, the studio behind Kells, the nomination will solidify their reputation and make it easier to finance future projects. In this case, even a loss will be their gain.