One of the big differences between a Z7 and the newer Z5, besides the obvious ones such as the detachable lens, is the fact that in the Z5 there's a choice between 3 colours (white, yellow and red) for the peaking indication. This feature, that exists in the Z5 and not in the Z7, is very handy, especially if you choose yellow as the peaking colour. I surely hope Sony can make this available for the existings Z7's by a firmware upgrade.