Today (June, 20, 2011 at Taiwan`s time) on Apple store there are a lot of free space next to iPad, iPhone...
all macs were moved down as seen on the picture below.

is it a new Apple`s apps icon standard coming?

With more and more partial updates close to upcoming 10.7 "Leon"

there is probably a trend which Apple will implement in the new "Leon`s" new look which are for example icons: all become a round, glossy/yummy...