I recently received a few files from a designer and exported them with ImageMagick 6.6.7-1 2011-02-14
(note: all files run with the command convert input.psd[0] -verbose out.png )
The files were 1020x1900, but they were being chopped off about mid way:
http://dl.dropbox.com/u/32529215/chop-test ...