I'm eagerly awaiting delivery of a 17 and I'm kind of wondering if the over-clocked 4900MQ option that I've ordered is maybe better than a standard clock rate 4930MX. The latter is twice the price of the 4900 but isn't available to us via the Dell UK site at the moment but I'm wondering if we're maybe getting more processor power for less cash with this option? I know that the 4930 is unlocked and potentially much faster but I'm thinking about standard clock rates (aaarrgh I hear you say!) and the cost to power ratio. I was just interested in what others thought really.