I also used 2.5.2 leaked update on my k2i (2.3.3->2.3.4(leak)->2.5.2(leak)), and haven't received 2.5.3 although my wireless has been On for weeks. (I was expecting 2.5 update
) I don't think it's a regional delay, since my colleagues got 2.5.3 yesterday via wireless.
Thinking about it, I've never received 2.3.4 either.
Maybe I am recorded as no-minor-update-guy at Amazon?
The size difference between leaked one and official one concerns me as well.