Well - as promised:
the free ADDURL has been launched on the Yahoo! site. It is only available right now directly at:
http://submit.search.yahoo.com/
You need to log into Yahoo.com to use this service.
Users are experiencing a lot of timeouts but they'll get it right eventually
Also I noticed that the country specific Yahoos are not switched away from Google yet - should happen over the next few weeks
The last news I saw yesterday is that someone (AOL) might be looking at dropping Google (It's a rumor right now)