So when you write garbage, what defaults does UBOOT reload?  The article makes a distinction between u-boot default and u-boot factory default.
http://www.plugcomputer.org/Documentation/howtos/factory-default-u-boot-environment/

I just got a used 0802 Dreamplug and want to find out what the previous owner might have changed.

Seems to be gone now.  Maybe they paid the ransom?

Anyone visited the Global Scale Technologies website recently?  I get this blank page with a red bar across it with the words: THIS SITE IS RUNNING UNLICENSED ASPDOTNETSTOREFRONT.COM SOFTWARE!  Any idea what this is about?