Also the soffice launcher hangs just after clicking finish on the registration if you tell it you want to register but don't include a name and other info. I didn't try the other options.
Thanks all
After the bug filing tutorial thoughtfully linked below I've now filed them as:
http://qa.openoffice.org/issues/show_bug.cgi?id=89135
and
http://qa.openoffice.org/issues/show_bug.cgi?id=89136