They go on to say:
Producers of THE HOBBIT have begun looking at casting for the dwarves (dwarfs?), and one name has emerged as a major contender: Brian Cox. He’s a brilliant choice for the role: physically, he fits with the depiction of the the race in LOTR (well, Gimli), and he’s a born Scotsman. Also, he could yell at Galadriel for adding narration. So there you go. If this comes to fruition, you heard it here first!
Head over to AICN for the full story – More info as we get it.