I have a Dreamplug shipped from spinnifex in Australia. The u-boot version is as follows:
Marvell>> version U-Boot 2011.06-02334-g8f495d9-dirty (Aug 18 2011 - 02:09:07) Marvell-DreamPlug Is it safe to change to the DENX version given the instructions on Martin's site [1] [1] http://cyrius.com/debian/kirkwood/sheevaplug/uboot-upgrade/