Having various bookmarks which are web sites listed in the nautilus menu without actually having a working html view for nautilus is pretty crappy. You click on them expecting to see the website and get to see the raw HTML :)
There don't seem to be any bookmarks in current upstream CVS.
*** Bug 69150 has been marked as a duplicate of this bug. ***
fixed in 2.0.1
Fix confirmed with nautilus-2.0.4-1.