(Thanks for some useful ideas to sparkym3: http://forum.xda-developers.com/member.php?u=4411543 )
(tested only on 2.0.0 version (as comes out of the box), also works on 2.0.2
Get one of the attached files: root_win.zip if you are on windows, or root_unix.tgz if you are on Linux or Mac.
unpack the file to some dir and run "makeroot" on Windows or "sh makeroot.sh" on Mac/Linux
After a couple of reboots you should be able to do
adb shell and issue a "su" command in the shell and get the root prompt (#).
Thanks to someone0 for his prior investigations here.
Superuser.apk does not really install because package manager could not be contacted.
Oh, and I think you'll find this interesting too: