Apparently it has an updated storage capacity of 320GB; the power consumption has been cut from 230W to 200W while neatly packed away in a casing that is 400g lighter than before, weighing in at 2.6kg.

According to media reports, “there are also some external changes to the power and eject buttons, along with the removal of LED lamps, although the retailer report isn’t clear about the specifics for this area.”
http://www.itnewsafrica.com/2011/06/...odel-revealed/