find -newer will have the same problem on FAT filesystems as cp -u:
http://lists.gnu.org/archive/html/bug-coreutils/2008-04/msg00027.html
$ touch -d 11:11:11 y
$ stat y
Access: 2008-04-09 11:11:11.0 +0800
$ cp -a y /vfat
$ umount /vfat; mount /vfat
$ stat /vfat/y
Modify: 2008-04-09 11:11:10
Peter Breitenlohner <[EMAIL PROTECTED]>
-- Forwarded message --
Date: Mon, 7 Apr 2008 15:50:37 +0200 (CEST)
From: Peter Breitenlohner <[EMAIL PROTECTED]>
To: James Youngman <[EMAIL PROTECTED]>
Subject: findutils-4.4.0 -- feature request for databases with relative
pathnames