I'm not sure why it's not working with Sunrise, but I do have a script that makes it work with Sunrise XP. (Will be included in alpha 3, due later today.) The printable versions do have different URLs.
For instance
http://wired.com/news/technology/0,7...w=wn_tophead_1
and
http://wired.com/news/technology/1,70059-0.html